diff --git a/.github/workflows/cspell.yml b/.github/workflows/cspell.yml
index 2535d55d..ac88c374 100644
--- a/.github/workflows/cspell.yml
+++ b/.github/workflows/cspell.yml
@@ -1,6 +1,6 @@
 name: Check spelling
 on:
-  pull_request
+  pull_request:
 jobs:
   spellcheck:
     runs-on: ubuntu-latest