Grammar

Author: garydgregory

README.md

@@ -62,7 +62,7 @@ Where can I get the latest release?
 -----------------------------------
 You can download source and binaries from our [download page](https://commons.apache.org/proper/commons-cli/download_cli.cgi).
 
-Alternatively you can pull it from the central Maven repositories:
+Alternatively, you can pull it from the central Maven repositories:
 
 ```xml
 <dependency>