Replace gitflow_check_ prefixes by gitflow_require_ prefixes, for consistency.
diff --git a/git-flow-support b/git-flow-support
index a36b956..a89b05f 100644
--- a/git-flow-support
+++ b/git-flow-support
@@ -53,7 +53,7 @@
 	parse_args "$@"
 
 	# sanity checks
-	gitflow_check_clean_working_tree
+	gitflow_require_clean_working_tree
 
 	# create branch
 	git checkout -b $BRANCH $BASE