diff --git a/superset-frontend/spec/javascripts/explore/components/SelectControl_spec.jsx b/superset-frontend/spec/javascripts/explore/components/SelectControl_spec.jsx
index 35a0fccab8..2c76ce4773 100644
--- a/superset-frontend/spec/javascripts/explore/components/SelectControl_spec.jsx
+++ b/superset-frontend/spec/javascripts/explore/components/SelectControl_spec.jsx
@@ -78,7 +78,7 @@ describe('SelectControl', () => {
       onChange: sinon.spy(),
     };
     wrapper.setProps(selectAllProps);
-    wrapper.instance().onChange([{ meta: true, value: 'Select All' }]);
+    wrapper.instance().onChange([{ meta: true, value: 'Select all' }]);
     expect(selectAllProps.onChange.calledWith(expectedValues)).toBe(true);
   });
 
@@ -207,7 +207,7 @@ describe('SelectControl', () => {
         expect(wrapper.instance().optionsRemaining()).toEqual(2);
       });
     });
-    describe('with Select All', () => {
+    describe('with Select all', () => {
       it('does not count it', () => {
         const props = { ...defaultProps, multi: true, allowAll: true };
         const wrapper = mount(<SelectControl {...props} />);
@@ -234,9 +234,9 @@ describe('SelectControl', () => {
       };
       wrapper.setProps(selectAllProps);
       expect(wrapper.instance().getOptions(selectAllProps)).toContainEqual({
-        label: 'Select All',
+        label: 'Select all',
         meta: true,
-        value: 'Select All',
+        value: 'Select all',
       });
     });
 
diff --git a/superset-frontend/src/explore/components/controls/DateFilterControl/frame/AdvancedFrame.tsx b/superset-frontend/src/explore/components/controls/DateFilterControl/frame/AdvancedFrame.tsx
index 93ce72f4d8..39a695c2c8 100644
--- a/superset-frontend/src/explore/components/controls/DateFilterControl/frame/AdvancedFrame.tsx
+++ b/superset-frontend/src/explore/components/controls/DateFilterControl/frame/AdvancedFrame.tsx
@@ -48,7 +48,7 @@ export function AdvancedFrame(props: FrameComponentProps) {
 
   return (
     <>
-      <div className="section-title">{t('Configure Advanced Time Range')}</div>
+      <div className="section-title">{t('Configure advanced time range')}</div>
       <div className="control-label">{t('START')}</div>
       <Input
         key="since"
diff --git a/superset-frontend/src/explore/components/controls/DateFilterControl/frame/CustomFrame.tsx b/superset-frontend/src/explore/components/controls/DateFilterControl/frame/CustomFrame.tsx
index 2ad8e638f4..553aea9e62 100644
--- a/superset-frontend/src/explore/components/controls/DateFilterControl/frame/CustomFrame.tsx
+++ b/superset-frontend/src/explore/components/controls/DateFilterControl/frame/CustomFrame.tsx
@@ -118,7 +118,7 @@ export function CustomFrame(props: FrameComponentProps) {
 
   return (
     <div data-test="custom-frame">
-      <div className="section-title">{t('Configure Custom Time Range')}</div>
+      <div className="section-title">{t('Configure custom time range')}</div>
       <Row gutter={24}>
         <Col span={12}>
           <div className="control-label">{t('START')}</div>
@@ -226,7 +226,7 @@ export function CustomFrame(props: FrameComponentProps) {
       </Row>
       {sinceMode === 'relative' && untilMode === 'relative' && (
         <div className="control-anchor-to">
-          <div className="control-label">{t('ANCHOR TO')}</div>
+          <div className="control-label">{t('Anchor to')}</div>
           <Row align="middle">
             <Col>
               <Radio.Group
diff --git a/superset-frontend/src/explore/components/controls/FilterBoxItemControl.jsx b/superset-frontend/src/explore/components/controls/FilterBoxItemControl.jsx
index da7a003e65..418de45cb7 100644
--- a/superset-frontend/src/explore/components/controls/FilterBoxItemControl.jsx
+++ b/superset-frontend/src/explore/components/controls/FilterBoxItemControl.jsx
@@ -181,7 +181,7 @@ export default class FilterBoxItemControl extends React.Component {
           }
         />
         <FormRow
-          label={t('Sort Metric')}
+          label={t('Sort metric')}
           tooltip={t('Metric to sort the results by')}
           control={
             <SelectControl
@@ -201,7 +201,7 @@ export default class FilterBoxItemControl extends React.Component {
           }
         />
         <FormRow
-          label={t('Sort Ascending')}
+          label={t('Sort ascending')}
           tooltip={t('Check for sorting ascending')}
           isCheckbox
           control={
@@ -212,7 +212,7 @@ export default class FilterBoxItemControl extends React.Component {
           }
         />
         <FormRow
-          label={t('Allow Multiple Selections')}
+          label={t('Allow multiple selections')}
           isCheckbox
           tooltip={t(
             'Multiple selections allowed, otherwise filter ' +
@@ -228,7 +228,7 @@ export default class FilterBoxItemControl extends React.Component {
           }
         />
         <FormRow
-          label={t('Search All Filter Options')}
+          label={t('Search all filter options')}
           tooltip={t(
             'By default, each filter loads at most 1000 choices at the initial page load. ' +
               'Check this box if you have more than 1000 filter values and want to enable dynamically ' +
@@ -278,7 +278,7 @@ export default class FilterBoxItemControl extends React.Component {
           trigger="click"
           placement="right"
           content={this.renderPopover()}
-          title={t('Filter Configuration')}
+          title={t('Filter configuration')}
         >
           <InfoTooltipWithTrigger
             icon="edit"
diff --git a/superset-frontend/src/explore/components/controls/SelectControl.jsx b/superset-frontend/src/explore/components/controls/SelectControl.jsx
index 799ded9b4d..e192c179da 100644
--- a/superset-frontend/src/explore/components/controls/SelectControl.jsx
+++ b/superset-frontend/src/explore/components/controls/SelectControl.jsx
@@ -184,7 +184,7 @@ export default class SelectControl extends React.PureComponent {
   }
 
   isMetaSelectAllOption(o) {
-    return o.meta && o.meta === true && o.label === 'Select All';
+    return o.meta && o.meta === true && o.label === 'Select all';
   }
 
   optionsIncludesSelectAll(o) {
@@ -205,8 +205,8 @@ export default class SelectControl extends React.PureComponent {
   }
 
   createMetaSelectAllOption() {
-    const option = { label: 'Select All', meta: true };
-    option[this.props.valueKey] = 'Select All';
+    const option = { label: 'Select all', meta: true };
+    option[this.props.valueKey] = 'Select all';
     return option;
   }
 
diff --git a/superset-frontend/src/explore/components/controls/TimeSeriesColumnControl.jsx b/superset-frontend/src/explore/components/controls/TimeSeriesColumnControl.jsx
index e981720537..5e9e8ee1a4 100644
--- a/superset-frontend/src/explore/components/controls/TimeSeriesColumnControl.jsx
+++ b/superset-frontend/src/explore/components/controls/TimeSeriesColumnControl.jsx
@@ -45,7 +45,7 @@ const propTypes = {
 };
 
 const defaultProps = {
-  label: t('Time Series Columns'),
+  label: t('Time series columns'),
   tooltip: '',
   colType: '',
   width: '',
@@ -65,14 +65,14 @@ const comparisonTypeOptions = [
   { value: 'value', label: 'Actual value' },
   { value: 'diff', label: 'Difference' },
   { value: 'perc', label: 'Percentage' },
-  { value: 'perc_change', label: 'Percentage Change' },
+  { value: 'perc_change', label: 'Percentage change' },
 ];
 
 const colTypeOptions = [
-  { value: 'time', label: 'Time Comparison' },
+  { value: 'time', label: 'Time comparison' },
   { value: 'contrib', label: 'Contribution' },
   { value: 'spark', label: 'Sparkline' },
-  { value: 'avg', label: 'Period Average' },
+  { value: 'avg', label: 'Period average' },
 ];
 
 export default class TimeSeriesColumnControl extends React.Component {
@@ -209,7 +209,7 @@ export default class TimeSeriesColumnControl extends React.Component {
           )}
         {['time', 'avg'].indexOf(this.state.colType) >= 0 &&
           this.formRow(
-            'Time Lag',
+            'Time lag',
             'Number of periods to compare against',
             'time-lag',
             <FormControl
@@ -221,7 +221,7 @@ export default class TimeSeriesColumnControl extends React.Component {
           )}
         {['spark'].indexOf(this.state.colType) >= 0 &&
           this.formRow(
-            'Time Ratio',
+            'Time ratio',
             'Number of periods to ratio against',
             'time-ratio',
             <FormControl
diff --git a/superset-frontend/src/explore/controlPanels/Separator.js b/superset-frontend/src/explore/controlPanels/Separator.js
index aaca4a6d87..588adea2aa 100644
--- a/superset-frontend/src/explore/controlPanels/Separator.js
+++ b/superset-frontend/src/explore/controlPanels/Separator.js
@@ -29,7 +29,7 @@ export default {
             name: 'markup_type',
             config: {
               type: 'SelectControl',
-              label: t('Markup Type'),
+              label: t('Markup type'),
               clearable: false,
               choices: formatSelectOptions(['markdown', 'html']),
               default: 'markdown',
diff --git a/superset-frontend/src/explore/controlPanels/TimeTable.js b/superset-frontend/src/explore/controlPanels/TimeTable.js
index c370f30997..3d7217680c 100644
--- a/superset-frontend/src/explore/controlPanels/TimeTable.js
+++ b/superset-frontend/src/explore/controlPanels/TimeTable.js
@@ -35,7 +35,7 @@ export default {
             name: 'column_collection',
             config: {
               type: 'CollectionControl',
-              label: t('Time Series Columns'),
+              label: t('Time series columns'),
               validators: [validateNonEmpty],
               controlName: 'TimeSeriesColumnControl',
             },
diff --git a/superset-frontend/src/explore/controlPanels/sections.jsx b/superset-frontend/src/explore/controlPanels/sections.jsx
index 29e7cda8ed..d69a69e79e 100644
--- a/superset-frontend/src/explore/controlPanels/sections.jsx
+++ b/superset-frontend/src/explore/controlPanels/sections.jsx
@@ -28,7 +28,7 @@ export const druidTimeSeries = {
 };
 
 export const datasourceAndVizType = {
-  label: t('Chart Type'),
+  label: t('Chart type'),
   expanded: true,
   controlSetRows: [
     ['datasource'],
@@ -56,7 +56,7 @@ export const datasourceAndVizType = {
         name: 'url_params',
         config: {
           type: 'HiddenControl',
-          label: t('URL Parameters'),
+          label: t('URL parameters'),
           hidden: true,
           description: t('Extra parameters for use in jinja templated queries'),
         },
@@ -75,7 +75,7 @@ export const datasourceAndVizType = {
 };
 
 export const colorScheme = {
-  label: t('Color Scheme'),
+  label: t('Color scheme'),
   controlSetRows: [['color_scheme', 'label_colors']],
 };
 
@@ -87,7 +87,7 @@ export const sqlaTimeSeries = {
 };
 
 export const annotations = {
-  label: t('Annotations and Layers'),
+  label: t('Annotations and layers'),
   tabOverride: 'data',
   expanded: true,
   controlSetRows: [
@@ -98,7 +98,7 @@ export const annotations = {
           type: 'AnnotationLayerControl',
           label: '',
           default: [],
-          description: 'Annotation Layers',
+          description: 'Annotation layers',
           renderTrigger: true,
           tabOverride: 'data',
         },
@@ -121,7 +121,7 @@ export const NVD3TimeSeries = [
           name: 'order_desc',
           config: {
             type: 'CheckboxControl',
-            label: t('Sort Descending'),
+            label: t('Sort descending'),
             default: true,
             description: t('Whether to sort descending or ascending'),
           },
@@ -140,7 +140,7 @@ export const NVD3TimeSeries = [
     ],
   },
   {
-    label: t('Advanced Analytics'),
+    label: t('Advanced analytics'),
     tabOverride: 'data',
     description: t(
       'This section contains options ' +
@@ -148,13 +148,13 @@ export const NVD3TimeSeries = [
         'of query results',
     ),
     controlSetRows: [
-      [<h1 className="section-header">{t('Rolling Window')}</h1>],
+      [<h1 className="section-header">{t('Rolling window')}</h1>],
       [
         {
           name: 'rolling_type',
           config: {
             type: 'SelectControl',
-            label: t('Rolling Function'),
+            label: t('Rolling function'),
             default: 'None',
             choices: formatSelectOptions([
               'None',
@@ -185,7 +185,7 @@ export const NVD3TimeSeries = [
           name: 'min_periods',
           config: {
             type: 'TextControl',
-            label: t('Min Periods'),
+            label: t('Min periods'),
             isInt: true,
             description: t(
               'The minimum number of rolling periods required to show ' +
@@ -197,7 +197,7 @@ export const NVD3TimeSeries = [
           },
         },
       ],
-      [<h1 className="section-header">{t('Time Comparison')}</h1>],
+      [<h1 className="section-header">{t('Time comparison')}</h1>],
       [
         {
           name: 'time_compare',
@@ -205,7 +205,7 @@ export const NVD3TimeSeries = [
             type: 'SelectControl',
             multi: true,
             freeForm: true,
-            label: t('Time Shift'),
+            label: t('Time shift'),
             choices: formatSelectOptions([
               '1 day',
               '1 week',
@@ -231,7 +231,7 @@ export const NVD3TimeSeries = [
             label: t('Calculation type'),
             default: 'values',
             choices: [
-              ['values', 'Actual Values'],
+              ['values', 'Actual values'],
               ['absolute', 'Absolute difference'],
               ['percentage', 'Percentage change'],
               ['ratio', 'Ratio'],
@@ -244,7 +244,7 @@ export const NVD3TimeSeries = [
           },
         },
       ],
-      [<h1 className="section-header">{t('Python Functions')}</h1>],
+      [<h1 className="section-header">{t('Python functions')}</h1>],
       // eslint-disable-next-line jsx-a11y/heading-has-content
       [<h2 className="section-header">pandas.resample</h2>],
       [
diff --git a/superset-frontend/src/filters/components/Range/index.ts b/superset-frontend/src/filters/components/Range/index.ts
index 4a77fbb97c..73fbfa7f6b 100644
--- a/superset-frontend/src/filters/components/Range/index.ts
+++ b/superset-frontend/src/filters/components/Range/index.ts
@@ -25,8 +25,8 @@ import thumbnail from './images/thumbnail.png';
 export default class AntdRangeFilterPlugin extends ChartPlugin {
   constructor() {
     const metadata = new ChartMetadata({
-      name: t('Range Filter Plugin'),
-      description: 'Range Filter Plugin using AntD',
+      name: t('Range filter plugin'),
+      description: 'Range filter plugin using AntD',
       isNativeFilter: true,
       thumbnail,
     });
diff --git a/superset-frontend/src/filters/components/Select/controlPanel.ts b/superset-frontend/src/filters/components/Select/controlPanel.ts
index 2432396ca2..22ef1b2391 100644
--- a/superset-frontend/src/filters/components/Select/controlPanel.ts
+++ b/superset-frontend/src/filters/components/Select/controlPanel.ts
@@ -44,7 +44,7 @@ const config: ControlPanelConfig = {
             name: 'multiSelect',
             config: {
               type: 'CheckboxControl',
-              label: t('Multiple Select'),
+              label: t('Multiple select'),
               default: multiSelect,
               description: t('Allow selecting multiple values'),
             },
@@ -55,7 +55,7 @@ const config: ControlPanelConfig = {
             name: 'enableEmptyFilter',
             config: {
               type: 'CheckboxControl',
-              label: t('Enable Empty Filter'),
+              label: t('Enable empty filter'),
               default: enableEmptyFilter,
               description: t(
                 'When selection is empty, should an always false filter event be emitted',
@@ -68,7 +68,7 @@ const config: ControlPanelConfig = {
             name: 'inverseSelection',
             config: {
               type: 'CheckboxControl',
-              label: t('Inverse Selection'),
+              label: t('Inverse selection'),
               default: inverseSelection,
               description: t('Exclude selected values'),
             },
@@ -79,7 +79,7 @@ const config: ControlPanelConfig = {
             name: 'showSearch',
             config: {
               type: 'CheckboxControl',
-              label: t('Search Field'),
+              label: t('Search field'),
               default: showSearch,
               description: t('Allow typing search terms'),
             },