(File Name Components): Fix file-name-extension documentation.

doc/lispref/ChangeLog

+2008-11-11  Lute Kamstra  <lute@gnu.org>
+
+	* files.texi (File Name Components): Fix file-name-extension
+	documentation.
+
 2008-11-11  Juanma Barranquero  <lekktu@gmail.com>
 
 	* frames.texi (Basic Parameters): Remove display-environment-variable

doc/lispref/files.texi

@@ -1701,8 +1701,8 @@ return value, but backup version numbers are kept.
 This function returns @var{filename}'s final ``extension,'' if any,
 after applying @code{file-name-sans-versions} to remove any
 version/backup part.  The extension, in a file name, is the part that
-starts with the last @samp{.} in the last name component (minus
-any version/backup part).
+follows the last @samp{.} in the last name component (minus any
+version/backup part).
 
 This function returns @code{nil} for extensionless file names such as
 @file{foo}.  It returns @code{""} for null extensions, as in