Clean up comments per CR

// FREEBIE

Signal/src/ViewControllers/ContactsViewHelper.h

@@ -55,6 +55,10 @@ NS_ASSUME_NONNULL_BEGIN
 
 - (NSArray<Contact *> *)nonSignalContactsMatchingSearchString:(NSString *)searchText;
 
+/**
+ * NOTE: This method calls `[UIUtil applyDefaultSystemAppearence]`.
+ * When using this method, you must call `[UIUtil applySignalAppearence]` once contact editing is   finished;
+ */
 - (void)presentContactViewControllerForRecipientId:(NSString *)recipientId
                                 fromViewController:(UIViewController<ContactEditingDelegate> *)fromViewController
                                    editImmediately:(BOOL)shouldEditImmediately;

Signal/src/ViewControllers/ContactsViewHelper.m

@@ -325,7 +325,7 @@ NS_ASSUME_NONNULL_BEGIN
         CNContact *_Nullable cnContact = signalAccount.contact.cnContact;
         if (cnContact) {
             if (shouldEditImmediately) {
-                // Not acutally a "new" contact, but this brings up the edit form rather than the "Read" form
+                // Not actually a "new" contact, but this brings up the edit form rather than the "Read" form
                 // saving our users a tap in some cases when we already know they want to edit.
                 contactViewController = [CNContactViewController viewControllerForNewContact:cnContact];
             } else {