diff --git a/VERSION b/VERSION
index 50f402a..85ab4c6 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.0.49
+0.0.50
diff --git a/mock/matcher.go b/mock/matcher.go
index 156e853..65f0dc2 100644
--- a/mock/matcher.go
+++ b/mock/matcher.go
@@ -26,7 +26,7 @@ const (
 // a diff. The default, 3, means no context lines.
 func Context(context int) ConfigFunc {
 	return func(mocks *Mocks) {
-		mocks.matcher.Context(context)
+		mocks.diff.Context(context)
 	}
 }
 
@@ -34,7 +34,7 @@ func Context(context int) ConfigFunc {
 // `Want`.
 func FromFile(file string) ConfigFunc {
 	return func(mocks *Mocks) {
-		mocks.matcher.FromFile(file)
+		mocks.diff.FromFile(file)
 	}
 }
 
@@ -42,7 +42,7 @@ func FromFile(file string) ConfigFunc {
 // empty.
 func FromDate(date string) ConfigFunc {
 	return func(mocks *Mocks) {
-		mocks.matcher.FromDate(date)
+		mocks.diff.FromDate(date)
 	}
 }
 
@@ -50,7 +50,7 @@ func FromDate(date string) ConfigFunc {
 // `Got`.
 func ToFile(file string) ConfigFunc {
 	return func(mocks *Mocks) {
-		mocks.matcher.ToFile(file)
+		mocks.diff.ToFile(file)
 	}
 }
 
@@ -58,7 +58,7 @@ func ToFile(file string) ConfigFunc {
 // empty.
 func ToDate(date string) ConfigFunc {
 	return func(mocks *Mocks) {
-		mocks.matcher.ToDate(date)
+		mocks.diff.ToDate(date)
 	}
 }
 
@@ -68,7 +68,7 @@ func ToDate(date string) ConfigFunc {
 // with `\t` or perhaps two spaces with `  `.
 func Indent(indent string) ConfigFunc {
 	return func(mocks *Mocks) {
-		mocks.matcher.Indent(indent)
+		mocks.diff.Indent(indent)
 	}
 }
 
@@ -78,7 +78,7 @@ func Indent(indent string) ConfigFunc {
 // specifically want to limit deeply nested structures.
 func MaxDepth(maxDepth int) ConfigFunc {
 	return func(mocks *Mocks) {
-		mocks.matcher.MaxDepth(maxDepth)
+		mocks.diff.MaxDepth(maxDepth)
 	}
 }
 
@@ -87,7 +87,7 @@ func MaxDepth(maxDepth int) ConfigFunc {
 // methods will not be invoked.
 func DisableMethods(disable bool) ConfigFunc {
 	return func(mocks *Mocks) {
-		mocks.matcher.DisableMethods(disable)
+		mocks.diff.DisableMethods(disable)
 	}
 }
 
@@ -104,7 +104,7 @@ func DisableMethods(disable bool) ConfigFunc {
 // or with the "safe" build tag specified.
 func DisablePointerMethods(disable bool) ConfigFunc {
 	return func(mocks *Mocks) {
-		mocks.matcher.DisablePointerMethods(disable)
+		mocks.diff.DisablePointerMethods(disable)
 	}
 }
 
@@ -112,7 +112,7 @@ func DisablePointerMethods(disable bool) ConfigFunc {
 // addresses. This is useful when diffing data structures in tests.
 func DisablePointerAddresses(disable bool) ConfigFunc {
 	return func(mocks *Mocks) {
-		mocks.matcher.DisablePointerAddresses(disable)
+		mocks.diff.DisablePointerAddresses(disable)
 	}
 }
 
@@ -121,7 +121,7 @@ func DisablePointerAddresses(disable bool) ConfigFunc {
 // structures in tests.
 func DisableCapacities(disable bool) ConfigFunc {
 	return func(mocks *Mocks) {
-		mocks.matcher.DisableCapacities(disable)
+		mocks.diff.DisableCapacities(disable)
 	}
 }
 
@@ -135,7 +135,7 @@ func DisableCapacities(disable bool) ConfigFunc {
 // via the DisableMethods or DisablePointerMethods options.
 func ContinueOnMethod(enable bool) ConfigFunc {
 	return func(mocks *Mocks) {
-		mocks.matcher.ContinueOnMethod(enable)
+		mocks.diff.ContinueOnMethod(enable)
 	}
 }
 
@@ -147,7 +147,7 @@ func ContinueOnMethod(enable bool) ConfigFunc {
 // guarantees display stability.
 func SortKeys(sort bool) ConfigFunc {
 	return func(mocks *Mocks) {
-		mocks.matcher.SortKeys(sort)
+		mocks.diff.SortKeys(sort)
 	}
 }
 
@@ -156,7 +156,7 @@ func SortKeys(sort bool) ConfigFunc {
 // sorted (see `SortKeys`).
 func SpewKeys(spew bool) ConfigFunc {
 	return func(mocks *Mocks) {
-		mocks.matcher.SpewKeys(spew)
+		mocks.diff.SpewKeys(spew)
 	}
 }
 
@@ -382,7 +382,7 @@ type Equal struct {
 // is a mismatch in the expected and actual values.
 func (mocks *Mocks) Equal(want any) *Equal {
 	return &Equal{
-		config: mocks.matcher,
+		config: mocks.diff,
 		want:   want,
 		diff:   "",
 	}
diff --git a/mock/matcher_test.go b/mock/matcher_test.go
index 04e2f43..e178afa 100644
--- a/mock/matcher_test.go
+++ b/mock/matcher_test.go
@@ -15,10 +15,10 @@ import (
 )
 
 const (
+	nameDiff     = "diff"
 	nameDlib     = "dlib"
 	nameSpew     = "spew"
 	nameSpewTime = "spewTime"
-	nameMatcher  = "matcher"
 )
 
 // diff creates the complete expected diff output in unified diff format. It
@@ -34,7 +34,7 @@ func GetDiffConfigAccessor(
 	mocks *mock.Mocks,
 ) reflect.Builder[*mock.DiffConfig] {
 	return reflect.NewAccessor(reflect.NewAccessor(mocks).
-		Get(nameMatcher).(*mock.DiffConfig))
+		Get(nameDiff).(*mock.DiffConfig))
 }
 
 type DiffParams struct {
@@ -454,7 +454,7 @@ var configTestCases = map[string]ConfigParams{
 	},
 }
 
-func TestMatcherConfig(t *testing.T) {
+func TestConfig(t *testing.T) {
 	test.Map(t, configTestCases).
 		Run(func(t test.Test, param ConfigParams) {
 			// Given
diff --git a/mock/mocks.go b/mock/mocks.go
index 3a4db94..7acc527 100644
--- a/mock/mocks.go
+++ b/mock/mocks.go
@@ -83,19 +83,19 @@ type Mocks struct {
 	// A map of mock key value pairs.
 	args map[any]any
 
-	// Internal matcher settings.
-	matcher *DiffConfig
+	// Internal diff settings.
+	diff *DiffConfig
 }
 
 // NewMocks creates a new mock handler using given test reporter, e.g.
 // [*testing.T], or [test.Test].
 func NewMocks(t gomock.TestReporter, fncalls ...ConfigFunc) *Mocks {
 	return (&Mocks{
-		Ctrl:    gomock.NewController(t),
-		wg:      sync.NewLenientWaitGroup(),
-		mocks:   map[reflect.Value]any{},
-		args:    map[any]any{},
-		matcher: NewDiffConfig(),
+		Ctrl:  gomock.NewController(t),
+		wg:    sync.NewLenientWaitGroup(),
+		mocks: map[reflect.Value]any{},
+		args:  map[any]any{},
+		diff:  NewDiffConfig(),
 	}).Config(fncalls...).syncWith(t)
 }