Update action.yml (#39)

.github/actions/docs-check/action.yml

@@ -27,7 +27,7 @@ runs:
         echo "==> Fixing Terraform code with terraform fmt..."
         terraform fmt -recursive
         echo "==> Fixing embedded Terraform with terrafmt..."
-        find . | egrep ".md|.tf" | grep -v README.md | sort | while read f; do terrafmt fmt $$f; done
+        find . | egrep ".md|.tf" | grep -v README.md | sort | while read f; do terrafmt fmt $f; done
 
     - name: docs check
       shell: bash