git-codereview: fix comment

Change-Id: I265d394872a05441ccbf73388e9ff1b625435343
Reviewed-on: https://go-review.googlesource.com/c/review/+/518638
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
diff --git a/git-codereview/branch.go b/git-codereview/branch.go
index c9b21a0..7d60b68 100644
--- a/git-codereview/branch.go
+++ b/git-codereview/branch.go
@@ -450,8 +450,8 @@
 	return readGerritChange(id)
 }
 
-// GerritChange returns the change metadata from the Gerrit server
-// for the given changes, which each be be the result of fullChangeID(b, c) for some c.
+// GerritChanges returns the change metadata from the Gerrit server
+// for the given changes, which each be the result of fullChangeID(b, c) for some c.
 // The extra strings are passed to the Gerrit API request as o= parameters,
 // to enable additional information. Typical values include "LABELS" and "CURRENT_REVISION".
 // See https://gerrit-review.googlesource.com/Documentation/rest-api-changes.html for details.