diff --git a/create-pot-file b/create-pot-file
index b13c1f84..9cdbd1b4 100755
--- a/create-pot-file
+++ b/create-pot-file
@@ -2,8 +2,8 @@
 
 mkdir -p locale
 if [ $# -ne 1 ]; then
-	echo "Usage: ./create-po-file [LOCALE].pot"
+	echo "Usage: ./create-po-file [LOCALE].po"
 else
-	xgettext -a --from-code=UTF-8 SparkleShare/*.cs -o locale/$1
+	xgettext --language=C# --keyword=_ --from-code=UTF-8 SparkleShare/*.cs -o locale/$1
 	echo "Created locale/$1."
 fi