diff --git a/includes/api/ApiQueryUserContribs.php b/includes/api/ApiQueryUserContribs.php
index a7c1d05019f..6b9ec6953f0 100644
--- a/includes/api/ApiQueryUserContribs.php
+++ b/includes/api/ApiQueryUserContribs.php
@@ -334,7 +334,7 @@ class ApiQueryUserContribs extends ApiQueryBase {
 				$revQuery['joins']['revision'] = $revQuery['joins']['temp_rev_user'];
 				unset( $revQuery['joins']['temp_rev_user'] );
 				$this->addOption( 'STRAIGHT_JOIN' );
-				// It isn't actually necesssary to reorder $revQuery['tables'] as Database does the right thing
+				// It isn't actually necessary to reorder $revQuery['tables'] as Database does the right thing
 				// when join conditions are given for all joins, but Gergő is wary of relying on that so pull
 				// `revision_actor_temp` to the start.
 				$revQuery['tables'] =
diff --git a/includes/cache/MessageCache.php b/includes/cache/MessageCache.php
index 29744057bd5..e12f6e3490a 100644
--- a/includes/cache/MessageCache.php
+++ b/includes/cache/MessageCache.php
@@ -540,7 +540,7 @@ class MessageCache implements LoggerAwareInterface {
 		// `revision` first rather than `page`).
 		$revQuery['joins']['revision'] = $revQuery['joins']['page'];
 		unset( $revQuery['joins']['page'] );
-		// It isn't actually necesssary to reorder $revQuery['tables'] as Database does the right thing
+		// It isn't actually necessary to reorder $revQuery['tables'] as Database does the right thing
 		// when join conditions are given for all joins, but Gergő is wary of relying on that so pull
 		// `page` to the start.
 		$revQuery['tables'] = array_merge(