Merge pull request #213 from huffmanca/subtitle_update

Corrected typo.

Author: huffmanca

docs/cli-guide/master-docinfo.xml

@@ -1,7 +1,7 @@
 <title>{UserCLIBookName}</title>
 <productname>{DocInfoProductName}</productname>
 <productnumber>{DocInfoProductNumber}</productnumber>
-<subtitle>Leanr how to use the Red Hat Application Migration Toolkit to migrate your applications.</subtitle>
+<subtitle>Learn how to use the Red Hat Application Migration Toolkit to migrate your applications.</subtitle>
 <abstract>
     <para>This guide describes how to use the {ProductName} {CLIName} to simplify migration of Java applications.</para>
 </abstract>