diff --git a/gamedir/Data/APBPConstants.ini b/gamedir/Data/APBPConstants.ini
index 008ae29f3..672bbd381 100644
--- a/gamedir/Data/APBPConstants.ini
+++ b/gamedir/Data/APBPConstants.ini
@@ -394,6 +394,11 @@ AP_LOSS_PER_LEGSHOT_DAMAGE = 4
 DEFAULT_APS = 80
 DEFAULT_AIMSKILL = 80
 
+;***********************************************************************
+;* The APs needed build a fortification structure                      *
+;***********************************************************************
+AP_FORTIFICATION = 80
+
 [BPConstants]
 BP_RATIO_RED_PTS_TO_NORMAL = 100
 BP_RUN_ENERGYCOSTFACTOR = 3
diff --git a/gamedir/Data/Ja2_Options.INI b/gamedir/Data/Ja2_Options.INI
index c18b86731..32e91fa41 100644
--- a/gamedir/Data/Ja2_Options.INI
+++ b/gamedir/Data/Ja2_Options.INI
@@ -1842,9 +1842,12 @@ ZOMBIE_CAN_CLIMB = TRUE
 ; This still results in deadlocks!
 ZOMBIE_EXPLODING_CIVS = TRUE
 
-; Normal and energy damage is reduced by this percentage. Valid valus from -50 to 95
+; Damage is reduced by this percentage. Valid values from -50 to 95
 ZOMBIE_DAMAGE_RESISTANCE = 0
 
+; Breath damage is reduced by this percentage. Valid values from -50 to 95
+ZOMBIE_BREATH_DAMAGE_RESISTANCE = 0
+
 ; Extra challenge: If true, only headhots will do any damage, hits to the body or legs won't. Only applies to bullets, though
 ZOMBIE_ONLY_HEADSHOTS_WORK = FALSE