diff --git a/pkg/master/master.go b/pkg/master/master.go
index 7434ee135d4..e12fc7f28ec 100644
--- a/pkg/master/master.go
+++ b/pkg/master/master.go
@@ -109,7 +109,7 @@ func (m *Master) Run(myAddress, apiPrefix string) error {
 	return s.ListenAndServe()
 }
 
-// ConstructHandler returns an http.Handler which serves Kubernetes API.
+// ConstructHandler returns an http.Handler which serves the Kubernetes API.
 // Instead of calling Run, you can call this function to get a handler for your own server.
 // It is intended for testing. Only call once.
 func (m *Master) ConstructHandler(apiPrefix string) http.Handler {
diff --git a/pkg/proxy/config/config.go b/pkg/proxy/config/config.go
index 9a95e037c3a..7f17d71d6f5 100644
--- a/pkg/proxy/config/config.go
+++ b/pkg/proxy/config/config.go
@@ -54,14 +54,14 @@ type EndpointsUpdate struct {
 	Op        Operation
 }
 
-// ServiceConfigHandler is an abstract interface of objects which receive update notifications of the set of services.
+// ServiceConfigHandler is an abstract interface of objects which receive update notifications for the set of services.
 type ServiceConfigHandler interface {
 	// OnUpdate gets called when a configuration has been changed by one of the sources.
 	// This is the union of all the configuration sources.
 	OnUpdate(services []api.Service)
 }
 
-// EndpointsConfigHandler is an abstract interface of objects which receive update notifications of the set of endpoints.
+// EndpointsConfigHandler is an abstract interface of objects which receive update notifications for the set of endpoints.
 type EndpointsConfigHandler interface {
 	// OnUpdate gets called when endpoints configuration is changed for a given
 	// service on any of the configuration sources. An example is when a new
diff --git a/pkg/proxy/roundrobbin.go b/pkg/proxy/roundrobbin.go
index e6e192e399b..a5acebba7fc 100644
--- a/pkg/proxy/roundrobbin.go
+++ b/pkg/proxy/roundrobbin.go
@@ -41,7 +41,7 @@ func NewLoadBalancerRR() *LoadBalancerRR {
 	return &LoadBalancerRR{endpointsMap: make(map[string][]string), rrIndex: make(map[string]int)}
 }
 
-// LoadBalance select an endpoint of the service by round-robin algorithm.
+// LoadBalance selects an endpoint of the service by round-robin algorithm.
 func (impl LoadBalancerRR) LoadBalance(service string, srcAddr net.Addr) (string, error) {
 	impl.lock.RLock()
 	endpoints, exists := impl.endpointsMap[service]