diff --git a/src/polyself.c b/src/polyself.c
index 736c62dff..55da8a8d5 100644
--- a/src/polyself.c
+++ b/src/polyself.c
@@ -1128,6 +1128,15 @@ dropp(struct obj *obj)
     for (otmp = gi.invent; otmp; otmp = otmp->nobj) {
         if (otmp == obj) {
             dropx(obj);
+            /* Note that otmp->nobj is pointing at fobj now,
+             * as a result of:
+             * dropx() -> dropy() -> dropz() -> place_object(),
+             * and no longer pointing at the next obj in inventory.
+             * That would be an issue if this loop were allowed
+             * to continue, but the break statement that
+             * follows prevents the loop from continuing on with
+             * objects on the floor.
+             */
             break;
         }
     }