Update pkg/github/pullrequests.go

Co-authored-by: Sam Morrow <[email protected]>

Author: williammartin

pkg/github/pullrequests.go

@@ -1251,7 +1251,7 @@ func CreatePendingPullRequestReview(getGQLClient GetGQLClientFn, t translations.
 // AddPullRequestReviewCommentToPendingReview creates a tool to add a comment to a pull request review.
 func AddPullRequestReviewCommentToPendingReview(getGQLClient GetGQLClientFn, t translations.TranslationHelperFunc) (mcp.Tool, server.ToolHandlerFunc) {
 	return mcp.NewTool("add_pull_request_review_comment_to_pending_review",
-			mcp.WithDescription(t("TOOL_ADD_PULL_REQUEST_REVIEW_COMMENT_TO_PENDING_REVIEW_DESCRIPTION", "Add a comment to the requester's latest pending pull request review.")),
+			mcp.WithDescription(t("TOOL_ADD_PULL_REQUEST_REVIEW_COMMENT_TO_PENDING_REVIEW_DESCRIPTION", "Add a comment to the requester's latest pending pull request review, a pending review needs to already exist to call this (check with the user if not sure).")),
 			mcp.WithToolAnnotation(mcp.ToolAnnotation{
 				Title:        t("TOOL_ADD_PULL_REQUEST_REVIEW_COMMENT_TO_PENDING_REVIEW_USER_TITLE", "Add comment to the requester's latest pending pull request review"),
 				ReadOnlyHint: false,