Replace gitflow_check_ prefixes by gitflow_require_ prefixes, for consistency.
diff --git a/git-flow-hotfix b/git-flow-hotfix
index 7cc1c77..e4ada19 100644
--- a/git-flow-hotfix
+++ b/git-flow-hotfix
@@ -63,7 +63,7 @@
 	parse_args "$@"
 
 	# sanity checks
-	gitflow_check_clean_working_tree
+	gitflow_require_clean_working_tree
 	git fetch -q $ORIGIN
 	gitflow_require_branches_equal $MASTER_BRANCH $ORIGIN/$MASTER_BRANCH
 	gitflow_require_branch_absent $BRANCH
@@ -89,7 +89,7 @@
 	parse_args "$@"
 
 	# sanity checks
-	gitflow_check_clean_working_tree
+	gitflow_require_clean_working_tree
 	git fetch -q $ORIGIN $MASTER_BRANCH
 	git fetch -q $ORIGIN $DEVELOP_BRANCH
 	gitflow_require_branches_equal $MASTER_BRANCH $ORIGIN/$MASTER_BRANCH