Update CONTRIBUTING.md

Author: raold

docs/CONTRIBUTING.md

@@ -1,6 +1,6 @@
 # Contributing to LLM Output Processor
 
-First off, thanks for your interest in contributing! 🎉
+Thanks for your interest in contributing! 🎉
 
 We welcome contributions of all kinds — bug fixes, new features, documentation, and tests.
 
@@ -55,4 +55,4 @@ docs: update README for local dev instructions
 ## Support & Questions
 
 - For bugs or feature requests, open an [issue](https://github.com/raold/second-brain/issues).
-- For discussions, ideas, or help, join our Discord. 
+- For discussions, ideas, or help, join our Discord.