diff --git a/gamedir/Data-1.13/Ja2_Options.INI b/gamedir/Data-1.13/Ja2_Options.INI
index 2781c93ee..a63bd24c2 100644
--- a/gamedir/Data-1.13/Ja2_Options.INI
+++ b/gamedir/Data-1.13/Ja2_Options.INI
@@ -2423,7 +2423,7 @@ WHICH_MINE_SHUTS_DOWN = -1
 ; Allows enemy/militia reinforcements from adjacent sectors.
 ALLOW_REINFORCEMENTS = TRUE
 
-; Allows reinforcements only between city sectors.
+; Allows reinforcements only between city sectors. Only affects militia, not enemies.
 ALLOW_REINFORCEMENTS_ONLY_IN_CITIES = FALSE
 
 ;------------------------------------------------------------------------------------------------------------------------------
diff --git a/gamedir/Data-UB/Ja2_Options.ini b/gamedir/Data-UB/Ja2_Options.ini
index 332f708f0..557ac212c 100644
--- a/gamedir/Data-UB/Ja2_Options.ini
+++ b/gamedir/Data-UB/Ja2_Options.ini
@@ -2381,7 +2381,7 @@ WHICH_MINE_SHUTS_DOWN = -1
 ; Allows enemy/militia reinforcements from adjacent sectors.
 ALLOW_REINFORCEMENTS = FALSE
 
-; Allows reinforcements only between city sectors.
+; Allows reinforcements only between city sectors. Only affects militia, not enemies.
 ALLOW_REINFORCEMENTS_ONLY_IN_CITIES = FALSE
 
 ;------------------------------------------------------------------------------------------------------------------------------