Update github/pulls.go

Co-authored-by: Glenn Lewis <[email protected]>

Author: acouvreur

github/pulls.go

@@ -59,7 +59,7 @@ type PullRequest struct {
 	RequestedReviewers []*User               `json:"requested_reviewers,omitempty"`
 	AutoMerge          *PullRequestAutoMerge `json:"auto_merge,omitempty"`
 
-	// Merged is not populated by List operation.
+	// These fields are not populated by the List operation.
 	Merged *bool `json:"merged,omitempty"`
 	// Mergeable is not populated by List operation.
 	Mergeable *bool `json:"mergeable,omitempty"`