diff --git a/src/constants.a b/src/constants.a
index 46a6e8110..fc7c4e2f6 100644
--- a/src/constants.a
+++ b/src/constants.a
@@ -27,8 +27,8 @@
 ; DFB4..DFFF - (de)acceleration function
 ;
 ; MAIN MEMORY DURING SEARCH/BROWSE MODE
-; 6000..9FFF - search index
-; A000..BCFF - search cache
+; 6000..9FFF - search index (489 games = $3AEB/$4000)
+; A000..BCFF - search cache (489 games = $1957/$1C00)
 ; BD00..BEFF - prefs buffer (used to write PREFS.CONF if cheat mode changes)
 ; BF00..BFFF - ProRWTS glue (supports LoadIndexedFile)
 ;