diff --git a/callback.go b/callback.go
index 6abc57d8..ba0c36b6 100644
--- a/callback.go
+++ b/callback.go
@@ -35,7 +35,7 @@ type CallbackInfo struct {
 	// this will be set to a [PanicError] when the function panics.
 	Error error
 
-	// Runtime contains the duration of time it took for the associated
+	// Runtime contains the duration it took for the associated
 	// function to run.
 	Runtime time.Duration
 }
diff --git a/dig_test.go b/dig_test.go
index e2f5bc67..b8f4a374 100644
--- a/dig_test.go
+++ b/dig_test.go
@@ -1798,7 +1798,7 @@ func TestCallback(t *testing.T) {
 }
 
 func TestCallbackRuntime(t *testing.T) {
-	t.Run("provided ctor runtime", func(t *testing.T) {
+	t.Run("constructor runtime", func(t *testing.T) {
 		var called bool
 
 		mockClock := digclock.NewMock()
diff --git a/internal/digclock/clock.go b/internal/digclock/clock.go
index 8c7d2d10..e38c55c3 100644
--- a/internal/digclock/clock.go
+++ b/internal/digclock/clock.go
@@ -25,7 +25,6 @@ import (
 )
 
 // Clock defines how dig accesses time.
-// We keep the interface pretty minimal.
 type Clock interface {
 	Now() time.Time
 	Since(time.Time) time.Duration
@@ -48,7 +47,7 @@ func (systemClock) Since(t time.Time) time.Duration {
 // It implements standard time operations, but allows
 // the user to control the passage of time.
 //
-// Use the [Add] method to progress time.
+// Use the [Mock.Add] method to progress time.
 //
 // Note that this implementation is not safe for concurrent use.
 type Mock struct {