diff --git a/googlemock/test/gmock-actions_test.cc b/googlemock/test/gmock-actions_test.cc
index 215495ed..e5a7ae13 100644
--- a/googlemock/test/gmock-actions_test.cc
+++ b/googlemock/test/gmock-actions_test.cc
@@ -466,7 +466,7 @@ TEST(DefaultValueOfReferenceTest, IsInitiallyUnset) {
   EXPECT_FALSE(DefaultValue<MyNonDefaultConstructible&>::IsSet());
 }
 
-// Tests that DefaultValue<T&>::Exists is false initiallly.
+// Tests that DefaultValue<T&>::Exists is false initially.
 TEST(DefaultValueOfReferenceTest, IsInitiallyNotExisting) {
   EXPECT_FALSE(DefaultValue<int&>::Exists());
   EXPECT_FALSE(DefaultValue<MyDefaultConstructible&>::Exists());
@@ -807,7 +807,7 @@ TEST(ReturnTest, MoveOnlyResultType) {
                 "");
 }
 
-// Tests that Return(v) is covaraint.
+// Tests that Return(v) is covariant.
 
 struct Base {
   bool operator==(const Base&) { return true; }
diff --git a/googlemock/test/gmock-matchers-misc_test.cc b/googlemock/test/gmock-matchers-misc_test.cc
index c68431c1..53f4962b 100644
--- a/googlemock/test/gmock-matchers-misc_test.cc
+++ b/googlemock/test/gmock-matchers-misc_test.cc
@@ -1561,7 +1561,7 @@ TEST(AnyOfArrayTest, Matchers) {
 }
 
 TEST_P(AnyOfArrayTestP, ExplainsMatchResultCorrectly) {
-  // AnyOfArray and AllOfArry use the same underlying template-template,
+  // AnyOfArray and AllOfArray use the same underlying template-template,
   // thus it is sufficient to test one here.
   const std::vector<int> v0{};
   const std::vector<int> v1{1};
diff --git a/googletest/include/gtest/internal/gtest-internal.h b/googletest/include/gtest/internal/gtest-internal.h
index 9b04e4c8..4d919458 100644
--- a/googletest/include/gtest/internal/gtest-internal.h
+++ b/googletest/include/gtest/internal/gtest-internal.h
@@ -461,7 +461,7 @@ class TestFactoryBase {
   TestFactoryBase& operator=(const TestFactoryBase&) = delete;
 };
 
-// This class provides implementation of TeastFactoryBase interface.
+// This class provides implementation of TestFactoryBase interface.
 // It is used in TEST and TEST_F macros.
 template <class TestClass>
 class TestFactoryImpl : public TestFactoryBase {
diff --git a/googletest/src/gtest-internal-inl.h b/googletest/src/gtest-internal-inl.h
index 0b9e929c..ffe5322f 100644
--- a/googletest/src/gtest-internal-inl.h
+++ b/googletest/src/gtest-internal-inl.h
@@ -507,9 +507,9 @@ class GTEST_API_ UnitTestImpl {
   virtual ~UnitTestImpl();
 
   // There are two different ways to register your own TestPartResultReporter.
-  // You can register your own repoter to listen either only for test results
+  // You can register your own reporter to listen either only for test results
   // from the current thread or for results from all threads.
-  // By default, each per-thread test result repoter just passes a new
+  // By default, each per-thread test result reporter just passes a new
   // TestPartResult to the global test result reporter, which registers the
   // test part result for the currently running test.