diff --git a/src/search.cpp b/src/search.cpp
index 2efb0eb7d2b..3b59e53d7fe 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1140,7 +1140,8 @@ Value search(Position& pos, Stack* ss, Value alpha, Value beta, Depth depth, boo
         if ((ss + 1)->cutoffCnt > 3)
             r++;
 
-        // Decrease reduction for first generated move (ttMove)
+        // Set reduction to 0 for first generated move (ttMove)
+        // Nullifyies all previous reduction adjustments to ttMove and leaves only history to do them
         else if (move == ttMove)
             r = 0;