(Ffile_name_as_directory): Fix argument name in docstring.

src/ChangeLog

@@ -36,6 +36,8 @@
 
 2002-07-19  Juanma Barranquero  <lektu@terra.es>
 
+	* fileio.c (Ffile_name_as_directory): Fix argument name in docstring.
+
 	* xdisp.c (syms_of_xdisp): Remove redundant deprecation info.
 
 	* fileio.c (syms_of_fileio): Likewise.

src/fileio.c

@@ -614,7 +614,7 @@ file_name_as_directory (out, in)
 
 DEFUN ("file-name-as-directory", Ffile_name_as_directory,
        Sfile_name_as_directory, 1, 1, 0,
-       doc: /* Return a string representing file FILENAME interpreted as a directory.
+       doc: /* Return a string representing the file name FILE interpreted as a directory.
 This operation exists because a directory is also a file, but its name as
 a directory is different from its name as a file.
 The result can be used as the value of `default-directory'