fix: grammar

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: hejsztynx

ios/utils/ShortcutsUtils.mm

@@ -438,7 +438,7 @@ + (BOOL)tryHandlingParagraphShortcutsInRange:(NSRange)range
       // the trigger may have consumed the whole paragraph (e.g. an empty
       // editor); don't let the empty-text reset wipe the alignment we just
       // set on the typing attributes. This is an issue only with alignment
-      // shortcuts, as alignment doesn't use ZWS, which makes e.g. headins
+      // shortcuts, as alignment doesn't use ZWS, which makes e.g. headings
       // survive the empty-text typing attributes reset
       input->preserveTypingAttributesOnNextEmptyCheck = YES;
       return YES;