diff --git a/source/exhumed/src/spider.cpp b/source/exhumed/src/spider.cpp
index 12c1c9dcc..b93d2ba25 100644
--- a/source/exhumed/src/spider.cpp
+++ b/source/exhumed/src/spider.cpp
@@ -400,6 +400,11 @@ case_3:
             SpiderList[nSpider].nHealth -= nDamage;
             if (SpiderList[nSpider].nHealth > 0)
             {
+                /* 
+                    TODO - nTarget check was added, but should we return if it's invalid instead
+                    or should code below (action set, b set) happen?
+                    Other AI doesn't show consistency in this regard (see Scorpion code)
+                */
                 if (nTarget > -1 && sprite[nTarget].statnum == 100)
                 {
                     SpiderList[nSpider].nTarget = nTarget;