diff --git a/internal/difflib/difflib.go b/internal/difflib/difflib.go
index 9984599b4..2332f18bc 100644
--- a/internal/difflib/difflib.go
+++ b/internal/difflib/difflib.go
@@ -71,7 +71,7 @@ type OpCode struct {
 // notion, pairing up elements that appear uniquely in each sequence.
 // That, and the method here, appear to yield more intuitive difference
 // reports than does diff.  This method appears to be the least vulnerable
-// to synching up on blocks of "junk lines", though (like blank lines in
+// to syncing up on blocks of "junk lines", though (like blank lines in
 // ordinary text files, or maybe "<P>" lines in HTML files).  That may be
 // because this is the only method of the 3 that has a *concept* of
 // "junk" <wink>.
diff --git a/internal/spew/common.go b/internal/spew/common.go
index 1be8ce945..ec2a1f745 100644
--- a/internal/spew/common.go
+++ b/internal/spew/common.go
@@ -100,7 +100,7 @@ func handleMethods(cs *ConfigState, w io.Writer, v reflect.Value) (handled bool)
 	// Choose whether or not to do error and Stringer interface lookups against
 	// the base type or a pointer to the base type depending on settings.
 	// Technically calling one of these methods with a pointer receiver can
-	// mutate the value, however, types which choose to satisify an error or
+	// mutate the value, however, types which choose to satisfy an error or
 	// Stringer interface with a pointer receiver should not be mutating their
 	// state inside these interface methods.
 	if !cs.DisablePointerMethods && !UnsafeDisabled && !v.CanAddr() {
diff --git a/internal/spew/config.go b/internal/spew/config.go
index 161895fc6..84c6eab8e 100644
--- a/internal/spew/config.go
+++ b/internal/spew/config.go
@@ -59,7 +59,7 @@ type ConfigState struct {
 	//
 	// NOTE: This might be an unsafe action since calling one of these methods
 	// with a pointer receiver could technically mutate the value, however,
-	// in practice, types which choose to satisify an error or Stringer
+	// in practice, types which choose to satisfy an error or Stringer
 	// interface with a pointer receiver should not be mutating their state
 	// inside these interface methods.  As a result, this option relies on
 	// access to the unsafe package, so it will not have any effect when
diff --git a/internal/spew/dumpcgo_test.go b/internal/spew/dumpcgo_test.go
index 84421ac3a..73a1edc2e 100644
--- a/internal/spew/dumpcgo_test.go
+++ b/internal/spew/dumpcgo_test.go
@@ -15,7 +15,7 @@
 // NOTE: Due to the following build constraints, this file will only be compiled
 // when both cgo is supported and "-tags testcgo" is added to the go test
 // command line.  This means the cgo tests are only added (and hence run) when
-// specifially requested.  This configuration is used because spew itself
+// specifically requested.  This configuration is used because spew itself
 // does not require cgo to run even though it does handle certain cgo types
 // specially.  Rather than forcing all clients to require cgo and an external
 // C compiler just to run the tests, this scheme makes them optional.
diff --git a/internal/spew/format.go b/internal/spew/format.go
index b04edb7d7..ba8e12d04 100644
--- a/internal/spew/format.go
+++ b/internal/spew/format.go
@@ -121,7 +121,7 @@ func (f *formatState) formatPtr(v reflect.Value) {
 	// Keep list of all dereferenced pointers to possibly show later.
 	pointerChain := make([]uintptr, 0)
 
-	// Figure out how many levels of indirection there are by derferencing
+	// Figure out how many levels of indirection there are by dereferencing
 	// pointers and unpacking interfaces down the chain while detecting circular
 	// references.
 	nilFound := false
diff --git a/internal/spew/internalunsafe_test.go b/internal/spew/internalunsafe_test.go
index 2b547c41c..aa8fa00b1 100644
--- a/internal/spew/internalunsafe_test.go
+++ b/internal/spew/internalunsafe_test.go
@@ -47,7 +47,7 @@ func changeKind(v *reflect.Value, readOnly bool) {
 	*flags |= flagKindMask
 }
 
-// TestAddedReflectValue tests functionaly of the dump and formatter code which
+// TestAddedReflectValue tests functionality of the dump and formatter code which
 // falls back to the standard fmt library for new types that might get added to
 // the language.
 func TestAddedReflectValue(t *testing.T) {
diff --git a/mock/mock.go b/mock/mock.go
index 7f4d28d5e..396c91487 100644
--- a/mock/mock.go
+++ b/mock/mock.go
@@ -1294,13 +1294,13 @@ func runtimeFunc(opt interface{}) *runtime.Func {
 func funcName(f *runtime.Func) string {
 	name := f.Name()
 	trimmed := strings.TrimSuffix(path.Base(name), path.Ext(name))
-	splitted := strings.Split(trimmed, ".")
+	parts := strings.Split(trimmed, ".")
 
-	if len(splitted) == 0 {
+	if len(parts) == 0 {
 		return trimmed
 	}
 
-	return splitted[len(splitted)-1]
+	return parts[len(parts)-1]
 }
 
 func isFuncSame(f1, f2 *runtime.Func) bool {