diff --git a/FirebaseAuth/Tests/Unit/FIRUserTests.m b/FirebaseAuth/Tests/Unit/FIRUserTests.m
index dee408722d4..24e195f4816 100644
--- a/FirebaseAuth/Tests/Unit/FIRUserTests.m
+++ b/FirebaseAuth/Tests/Unit/FIRUserTests.m
@@ -2997,7 +2997,7 @@ - (void)testlinkPhoneAuthCredentialFailure {
 
 /** @fn testlinkPhoneCredentialAlreadyExistsError
     @brief Tests the flow of @c linkWithCredential:completion:
-        call using a phoneAuthCredential and a credential already exisits error. In this case we
+        call using a phoneAuthCredential and a credential already exists error. In this case we
         should get a FIRAuthCredential in the error object.
  */
 - (void)testlinkPhoneCredentialAlreadyExistsError {
diff --git a/FirebaseMessaging/CHANGELOG.md b/FirebaseMessaging/CHANGELOG.md
index e8eec94eb4b..29547cc0808 100644
--- a/FirebaseMessaging/CHANGELOG.md
+++ b/FirebaseMessaging/CHANGELOG.md
@@ -1,5 +1,5 @@
 # 10.12.0
-- [changed] Removing fiam scoped tokens set by old FIAM SDK(s) from keychain if exisits (b/284207019).
+- [changed] Removing fiam scoped tokens set by old FIAM SDK(s) from keychain if exists (b/284207019).
 
 # 10.6.0
 - [fixed] Configure flow validates existence of an APNS token before fetching an FCM token (#10742). This also addresses the scenario 1 mentioned in the comment - https://github.com/firebase/firebase-ios-sdk/issues/10679#issuecomment-1402776795