diff --git a/pub/docs/dev/hoon/runes/zp/zpzp.md b/pub/docs/dev/hoon/runes/zp/zpzp.md
index e2777c30d6..fc163a03c1 100644
--- a/pub/docs/dev/hoon/runes/zp/zpzp.md
+++ b/pub/docs/dev/hoon/runes/zp/zpzp.md
@@ -3,7 +3,7 @@ zapzap, `!!`, %zpzp
 
 Crash
 
-`!?` is a natural rune that always crashes.
+`!!` is a natural rune that always crashes.
 
 Produces
 --------