diff --git a/src/Messages/OWSBlockingManager.m b/src/Messages/OWSBlockingManager.m
index 4549eb6fc..7094f56fe 100644
--- a/src/Messages/OWSBlockingManager.m
+++ b/src/Messages/OWSBlockingManager.m
@@ -167,7 +167,7 @@ NSString *const kOWSBlockingManager_SyncedBlockedPhoneNumbersKey = @"kOWSBlockin
         if (sendSyncMessage) {
             [self sendBlockedPhoneNumbersMessage:blockedPhoneNumbers];
         } else {
-            // If this update came from an incoming blocklist sync message,
+            // If this update came from an incoming block list sync message,
             // update the "synced blocked phone numbers" state immediately,
             // since we're now in sync.
             //
diff --git a/src/Messages/OWSMessageSender.m b/src/Messages/OWSMessageSender.m
index c03bde00b..ee61b1a06 100644
--- a/src/Messages/OWSMessageSender.m
+++ b/src/Messages/OWSMessageSender.m
@@ -575,7 +575,7 @@ NSString *const OWSMessageSenderRateLimitedException = @"RateLimitedException";
             NSArray<NSString *> *blockedPhoneNumbers = _blockingManager.blockedPhoneNumbers;
             if ([blockedPhoneNumbers containsObject:recipientContactId]) {
                 DDLogInfo(@"%@ skipping 1:1 send to blocked contact: %@", self.tag, recipientContactId);
-                NSError *error = OWSErrorMakeMessageSendFailedToBlocklistError();
+                NSError *error = OWSErrorMakeMessageSendFailedToBlockListError();
                 // No need to retry - the user will continue to be blocked.
                 failureHandler(error, NO);
                 return;
diff --git a/src/Util/OWSError.h b/src/Util/OWSError.h
index 22605621e..691093b41 100644
--- a/src/Util/OWSError.h
+++ b/src/Util/OWSError.h
@@ -22,7 +22,7 @@ typedef NS_ENUM(NSInteger, OWSErrorCode) {
     OWSErrorCodeUserError = 2001,
     OWSErrorCodeNoSuchSignalRecipient = 777404,
     OWSErrorCodeMessageSendDisabledDueToPreKeyUpdateFailures = 777405,
-    OWSErrorCodeMessageSendFailedToBlocklist = 777406,
+    OWSErrorCodeMessageSendFailedToBlockList = 777406,
 };
 
 extern NSError *OWSErrorWithCodeDescription(OWSErrorCode code, NSString *description);
@@ -31,6 +31,6 @@ extern NSError *OWSErrorMakeFailedToSendOutgoingMessageError();
 extern NSError *OWSErrorMakeNoSuchSignalRecipientError();
 extern NSError *OWSErrorMakeAssertionError();
 extern NSError *OWSErrorMakeMessageSendDisabledDueToPreKeyUpdateFailuresError();
-extern NSError *OWSErrorMakeMessageSendFailedToBlocklistError();
+extern NSError *OWSErrorMakeMessageSendFailedToBlockListError();
 
 NS_ASSUME_NONNULL_END
diff --git a/src/Util/OWSError.m b/src/Util/OWSError.m
index cb0bde385..d55523b86 100644
--- a/src/Util/OWSError.m
+++ b/src/Util/OWSError.m
@@ -47,11 +47,11 @@ NSError *OWSErrorMakeMessageSendDisabledDueToPreKeyUpdateFailuresError()
             @"Error mesage indicating that message send is disabled due to prekey update failures"));
 }
 
-NSError *OWSErrorMakeMessageSendFailedToBlocklistError()
+NSError *OWSErrorMakeMessageSendFailedToBlockListError()
 {
-    return OWSErrorWithCodeDescription(OWSErrorCodeMessageSendFailedToBlocklist,
-        NSLocalizedString(@"ERROR_DESCRIPTION_MESSAGE_SEND_FAILED_DUE_TO_BLOCKLIST",
-            @"Error mesage indicating that message send failed due to blocklist"));
+    return OWSErrorWithCodeDescription(OWSErrorCodeMessageSendFailedToBlockList,
+        NSLocalizedString(@"ERROR_DESCRIPTION_MESSAGE_SEND_FAILED_DUE_TO_BLOCK_LIST",
+            @"Error mesage indicating that message send failed due to block list"));
 }
 
 NS_ASSUME_NONNULL_END