Fix typos.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/cli/trunk@1439988 13f79535-47bb-0310-9956-ffa450edef68

Author: netomi

src/main/java/org/apache/commons/cli/HelpFormatter.java

@@ -427,7 +427,7 @@ public void printHelp(String cmdLineSyntax, Options options, boolean autoUsage)
      * System.out.
      *
      * @param cmdLineSyntax the syntax for this application
-     * @param header the banner to display at the begining of the help
+     * @param header the banner to display at the beginning of the help
      * @param options the Options instance
      * @param footer the banner to display at the end of the help
      */
@@ -442,7 +442,7 @@ public void printHelp(String cmdLineSyntax, String header, Options options, Stri
      * System.out.
      *
      * @param cmdLineSyntax the syntax for this application
-     * @param header the banner to display at the begining of the help
+     * @param header the banner to display at the beginning of the help
      * @param options the Options instance
      * @param footer the banner to display at the end of the help
      * @param autoUsage whether to print an automatically generated