diff --git a/doc/fixes36.1 b/doc/fixes36.1
index 2225af5ef..4c72bf86d 100644
--- a/doc/fixes36.1
+++ b/doc/fixes36.1
@@ -199,6 +199,8 @@ commands invoked by uppercase meta characters: M-A, M-C, M-N, M-O, M-R, M-T
 	were missing from '? c' list of game commands (dat/hh)
 tweak Baalzebub's lair and clean up the map display for it
 symbol set definitions didn't recognize S_darkroom and S_vibrating_square
+wizard mode enlightenment was reporting "very fast innately" (which is not
+	possible) for very fast hero who was innately fast
 
 post-3.6.0: fix "object lost" panic during pickup caused by sortloot revamp
 post-3.6.0: more sortloot revisions
diff --git a/src/attrib.c b/src/attrib.c
index 63ae7269c..d3dcf304a 100644
--- a/src/attrib.c
+++ b/src/attrib.c
@@ -758,6 +758,8 @@ int propidx;
     /* innately() would report FROM_FORM for this; caller wants specificity */
     if (propidx == DRAIN_RES && u.ulycn >= LOW_PM)
         return FROM_LYCN;
+    if (propidx == FAST && Very_fast)
+        return FROM_NONE; /* can't become very fast innately */
     if ((innateness = innately(&u.uprops[propidx].intrinsic)) != FROM_NONE)
         return innateness;
     if (propidx == JUMPING && Role_if(PM_KNIGHT)
@@ -796,6 +798,14 @@ int propidx; /* special cases can have negative values */
                 Strcpy(buf, " from current creature form");
             else if (innateness == FROM_ROLE || innateness == FROM_RACE)
                 Strcpy(buf, " innately");
+            else if (propidx == FAST && Very_fast)
+                Sprintf(buf, because_of,
+                        ((HFast & TIMEOUT) != 0L) ? "a potion or spell"
+                          : ((EFast & W_ARMF) != 0L && uarmf->dknown
+                             && objects[uarmf->otyp].oc_name_known)
+                              ? ysimple_name(uarmf) /* speed boots */
+                                : EFast ? "worn equipment"
+                                  : something);
             else if (wizard
                      && (obj = what_gives(&u.uprops[propidx].extrinsic)) != 0)
                 Sprintf(buf, because_of, obj->oartifact