diff --git a/skills/hourlog/SKILL.md b/skills/hourlog/SKILL.md
index e1b0f22..d37948e 100644
--- a/skills/hourlog/SKILL.md
+++ b/skills/hourlog/SKILL.md
@@ -47,6 +47,9 @@ Prints a markdown table: one row per day, one column per project holding
 `hours · share · active minutes`, then a totals row. That table is the
 deliverable — paste it as-is rather than restating it in prose.
 
+Paste it as plain markdown in the reply. Never wrap it in a code fence: a
+fence shows the raw pipes and dashes instead of a rendered table.
+
 The unit behind it is a 5-minute slot in which at least one message was
 written, deduplicated per project — so a 40-subagent swarm on one project
 counts once, and two projects worked in parallel each keep their own slots.