diff --git a/.github/workflows/dev.yml b/.github/workflows/dev.yml
index 398285d39ab0..3f52ccd34450 100644
--- a/.github/workflows/dev.yml
+++ b/.github/workflows/dev.yml
@@ -49,4 +49,4 @@ jobs:
         run: |
           # if you encounter error, try rerun the command below with --write instead of --check
           # and commit the changes
-          npx prettier@2.3.0 --check {ballista,datafusion,datafusion-examples,dev,docs,python}/**/*.md
+          npx prettier@2.3.0 --check {ballista,datafusion,datafusion-examples,dev,docs,python}/**/*.md README.md DEVELOPERS.md
diff --git a/DEVELOPERS.md b/DEVELOPERS.md
index b915e2912c24..cd0792f7fa2c 100644
--- a/DEVELOPERS.md
+++ b/DEVELOPERS.md
@@ -105,8 +105,8 @@ new specifications as you see fit.
 
 Here is the list current active specifications:
 
-* [Output field name semantic](docs/specification/output-field-name-semantic.md)
-* [Invariants](docs/specification/invariants.md)
+- [Output field name semantic](docs/specification/output-field-name-semantic.md)
+- [Invariants](docs/specification/invariants.md)
 
 ## How to format `.md` document