Correct language code for Czech

diff --git a/errors/alias-upgrade b/errors/alias-upgrade
index 7b9c64590f041a47191f43b386624bde7cbc734e..76fa0ed7bf593fa63b1033771128c938c0a9da2c 100644 (file)
--- a/errors/alias-upgrade
+++ b/errors/alias-upgrade
@@ -3,7 +3,7 @@
 az     Azerbaijani
 bg     Bulgarian
 ca     Catalan
-cz     Czech
+cs     Czech
 da     Danish
 de     German
 el     Greek