diff --git a/README.md b/README.md
index fe1b449..856f63e 100644
--- a/README.md
+++ b/README.md
@@ -49,7 +49,9 @@ usage: ssh-audit.py [options] <host>
                                software config (use -p to change port;
                                use -t to change timeout)
    -d,  --debug            Enable debug output.
-   -g,  --gex-test=<x[,y,...] | min:pref:max[,min:pref:max,...] | x-y[:step]>  dh gex modulus size test
+   -g,  --gex-test=<x[,y,...]>  dh gex modulus size test
+                   <min1:pref1:max1[,min2:pref2:max2,...]>
+                   <x-y[:step]>
    -j,  --json             JSON output (use -jj to enable indents)
    -l,  --level=<level>    minimum output level (info|warn|fail)
    -L,  --list-policies    list all the official, built-in policies
diff --git a/src/ssh_audit/ssh_audit.py b/src/ssh_audit/ssh_audit.py
index 6fe2d12..8be3d3e 100755
--- a/src/ssh_audit/ssh_audit.py
+++ b/src/ssh_audit/ssh_audit.py
@@ -87,7 +87,9 @@ def usage(err: Optional[str] = None) -> None:
     uout.info('   -b,  --batch            batch output')
     uout.info('   -c,  --client-audit     starts a server on port 2222 to audit client\n                               software config (use -p to change port;\n                               use -t to change timeout)')
     uout.info('   -d,  --debug            debug output')
-    uout.info('   -g,  --gex-test=<x[,y,...] | min:pref:max[,min:pref:max,...] | x-y[:step]>  dh gex modulus size test')
+    uout.info('   -g,  --gex-test=<x[,y,...]>  dh gex modulus size test')
+    uout.info('                   <min1:pref1:max1[,min2:pref2:max2,...]>')
+    uout.info('                   <x-y[:step]>')
     uout.info('   -j,  --json             JSON output (use -jj to enable indents)')
     uout.info('   -l,  --level=<level>    minimum output level (info|warn|fail)')
     uout.info('   -L,  --list-policies    list all the official, built-in policies')