Javadoc grammar fix.
diff --git a/commons-vfs2/src/main/java/org/apache/commons/vfs2/provider/url/UrlFileNameParser.java b/commons-vfs2/src/main/java/org/apache/commons/vfs2/provider/url/UrlFileNameParser.java
index fe8c3ba..8f371fb 100644
--- a/commons-vfs2/src/main/java/org/apache/commons/vfs2/provider/url/UrlFileNameParser.java
+++ b/commons-vfs2/src/main/java/org/apache/commons/vfs2/provider/url/UrlFileNameParser.java
@@ -62,7 +62,7 @@
     }
 
     /**
-     * Guess if the given file name is an URL with host or not.
+     * Guess if the given file name is a URL with host or not.
      * <p>
      * VFS treats such URLs differently.
      * </p>