Update tip to clarify using natural language for "Find relevant files" search

Author: robertpiosik

README.md

@@ -98,7 +98,7 @@ In the world of AI coding, agents like Claude Code or Codex rely on "Function Ca
 </details>
 
 > [!TIP]
-> Got lost in the codebase? Use "Find relevant files" prompt type with a rough file selection.
+> Got lost in the codebase? Use "Find relevant files" prompt type and search with natural language!
 
 Workflow based on a single-turn exchanges facilitates persistent utilization of prompt caching.