docs(firestore): fixed a spelling error
@@ -236,7 +236,7 @@ func (s *watchStream) handleNextMessage() bool {
return false
}
-// Return true iff in a consistent state, or there is a permanent error.
+// Return true if in a consistent state, or there is a permanent error.
func (s *watchStream) handleTargetChange(tc *pb.TargetChange) bool {
switch tc.TargetChangeType {
case pb.TargetChange_NO_CHANGE:
