diff --git a/src/game/server/ai_utility.cpp b/src/game/server/ai_utility.cpp
index 98de8a73..7fb78eee 100644
--- a/src/game/server/ai_utility.cpp
+++ b/src/game/server/ai_utility.cpp
@@ -127,6 +127,10 @@ bool Detour_IsLoaded()
 //-----------------------------------------------------------------------------
 // Purpose: hot swaps the NavMesh with the current files on the disk
 // (All hulls will be reloaded! If NavMesh for hull no longer exist, it will be kept empty!!!)
+// 
+// TODO: Currently when hotswapping, the game crashes if there's AI in the world.
+// Loop over all CAI_BaseNPC instances, and call m_pPathfinder->m_navQuery.init()
+// to clear NavMesh cache !!!
 //-----------------------------------------------------------------------------
 void Detour_HotSwap()
 {