diff --git a/README.md b/README.md
index c7f3912..a2964af 100644
--- a/README.md
+++ b/README.md
@@ -36,8 +36,6 @@ jobs:
         go-version: "*"
     - run: "go test -coverprofile=coverage.out -covermode=count ./..."
     - uses: seriousben/go-patch-cover-action@v1
-      with:
-        version: main
 ```
 
 Please see [GitHub's documentation on Actions](https://docs.github.com/en/actions) for extensive
diff --git a/action.yaml b/action.yaml
index 51def57..316fce3 100644
--- a/action.yaml
+++ b/action.yaml
@@ -149,7 +149,7 @@ runs:
           done
         else
           gh api graphql -X POST -F subjectId=$PULL_REQUEST_NODE_ID -F body="$comment_body" -f query='
-            mutation AddComment($subjectId: String!, $body: String!) {
+            mutation AddComment($subjectId: ID!, $body: String!) {
               addComment(input: {subjectId: $subjectId, body: $body}) {
                 clientMutationId
               }