diff --git a/docs/docbook-cheat-sheet.sgml b/docs/docbook-cheat-sheet.sgml
index affdf2d1e76372d3adb97b10f37ce915677f75fc..28b389f8e4c8485f0be035b5f84420c2c971e6ab 100644
--- a/docs/docbook-cheat-sheet.sgml
+++ b/docs/docbook-cheat-sheet.sgml
@@ -41,6 +41,15 @@ The rest of this section outlines the use of several tags which may not be obvio
 
 <VariableList>
 
+<VarListEntry><Term>Comments</Term>
+<ListItem>
+<Para>
+Comments in SGML look like this: <SGMLTag class=SGMLComment>This is a
+comment</SGMLTag>.
+</Para>
+</ListItem>
+</VarListEntry>
+
 <VarListEntry><Term><SGMLTag class="StartTag">Command</SGMLTag></Term>
 <ListItem>
 <Para>