diff --git a/mem.md b/mem.md
index ba37923..84b7ad2 100644
--- a/mem.md
+++ b/mem.md
@@ -4,7 +4,7 @@ Shows memory status (in MiB) in a textbox.
 
 	mymem = lain.widgets.mem()
 
-# input table
+### input table
 
 Variable | Meaning | Type | Default
 --- | --- | --- | ---