diff --git a/.github/workflows/check_docs.yml b/.github/workflows/check_docs.yml
index 7cb90a1..ba85220 100644
--- a/.github/workflows/check_docs.yml
+++ b/.github/workflows/check_docs.yml
@@ -29,7 +29,7 @@ jobs:
         julia --project=docs -e '
           using Documenter, HerbCore;
           makedocs(
-            modules=[HerbCore]
+            modules=[HerbCore],
             format=Documenter.HTML(),
             doctest=true,
             warnonly=:doctest