diff --git a/docs/webapi.txt b/docs/webapi.txt
index 44d16087b..3a189e5c9 100644
--- a/docs/webapi.txt
+++ b/docs/webapi.txt
@@ -683,6 +683,7 @@ POST $URL?t=deep-check
 GET $DIRURL?t=manifest
 
   Return an HTML-formatted manifest of the given directory, for debugging.
+  This is a table of verifier-caps.
 
 GET $DIRURL?t=deep-size