diff --git a/exercises/25/pacman_ai/README.md b/exercises/25/pacman_ai/README.md
index bceb0e4..4488952 100644
--- a/exercises/25/pacman_ai/README.md
+++ b/exercises/25/pacman_ai/README.md
@@ -66,7 +66,7 @@ bool PacManAI::isValidMove(const Move & move) {
 
 <details>
    <summary>Hint</summary>
-Use isWalkableForPacMan to make sure PacMan is not walking in ways that are not legal
+Use [isWalkableForPacMan](../../../lib/Board.cpp) to make sure PacMan is not walking in ways that are not legal
   
 </details>