diff --git a/src/main/webapp/help-groupsCommandLine.html b/src/main/webapp/help-groupsCommandLine.html
index 5589826..2391dab 100644
--- a/src/main/webapp/help-groupsCommandLine.html
+++ b/src/main/webapp/help-groupsCommandLine.html
@@ -5,7 +5,7 @@
   Each time the authentication is attemped (which is once per session),
   the specified script will be invoked with the username in the 'U' environment variable.
   If the script returns exit code 0, the output will be tokenized by the delimiter (default: ',')
-  to create a groups with each token.
+  to create a group with each token.
 
   <p>
   In case of the failure, the output from the process will be reported in the exception message.