convert-variable-renames: Fix typo in description

(From OE-Core rev: 8e3aa9638691709e136bf2005541bdfd4bb1a6f7)

Signed-off-by: Simon Kuhnle <simon.kuhnle@methodpark.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

scripts/contrib/convert-variable-renames.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 #
 # Conversion script to rename variables to versions with improved terminology.
-# Also highlights potentially problematic langage and removed variables.
+# Also highlights potentially problematic language and removed variables.
 #
 # Copyright (C) 2021 Richard Purdie
 # Copyright (C) 2022 Wind River Systems, Inc.