diff --git a/flask_htmx/constants.py b/flask_htmx/constants.py
index 07230c5..4938f99 100644
--- a/flask_htmx/constants.py
+++ b/flask_htmx/constants.py
@@ -6,7 +6,8 @@
 RESWAPS = [
     "innerHTML",
     "outerHTML",
-    "beforebegin" "afterbegin",
+    "beforebegin",
+    "afterbegin",
     "beforeend",
     "afterend",
     "delete",