diff --git a/promql/engine.go b/promql/engine.go
index 76c8478c0c..fec2bbf761 100644
--- a/promql/engine.go
+++ b/promql/engine.go
@@ -3658,7 +3658,7 @@ func btos(b bool) float64 {
 	return 0
 }
 
-// changesSchema returns true whether the op operation changes the semantic meaning or
+// changesMetricSchema returns true whether the op operation changes the semantic meaning or
 // schema of the metric.
 func changesMetricSchema(op parser.ItemType) bool {
 	switch op {
diff --git a/rules/manager.go b/rules/manager.go
index fafbe2dc43..7cbe3ce15a 100644
--- a/rules/manager.go
+++ b/rules/manager.go
@@ -485,7 +485,7 @@ type ConcurrentRules []int
 // Its purpose is to bound the amount of concurrency in rule evaluations to avoid overwhelming the Prometheus
 // server with additional query load. Concurrency is controlled globally, not on a per-group basis.
 type RuleConcurrencyController interface {
-	// SplitGroupIntoBatches returns an ordered slice of of ConcurrentRules, which are batches of rules that can be evaluated concurrently.
+	// SplitGroupIntoBatches returns an ordered slice of ConcurrentRules, which are batches of rules that can be evaluated concurrently.
 	// The rules are represented by their index from the input rule group.
 	SplitGroupIntoBatches(ctx context.Context, group *Group) []ConcurrentRules
 
diff --git a/web/ui/react-app/src/vendor/flot/jquery.flot.js b/web/ui/react-app/src/vendor/flot/jquery.flot.js
index f336e83a1b..8647c84c59 100644
--- a/web/ui/react-app/src/vendor/flot/jquery.flot.js
+++ b/web/ui/react-app/src/vendor/flot/jquery.flot.js
@@ -429,7 +429,7 @@ Licensed under the MIT license.
   //
   // Each position after the first receives a clone of the original element.
   //
-  // The idea is that that the width, height, and general 'identity' of the
+  // The idea is that the width, height, and general 'identity' of the
   // text is constant no matter where it is placed; the placements are a
   // secondary property.
   //