diff --git a/doc/plugins/anonok.mdwn b/doc/plugins/anonok.mdwn
index 506657a1c..407012b54 100644
--- a/doc/plugins/anonok.mdwn
+++ b/doc/plugins/anonok.mdwn
@@ -1,5 +1,5 @@
 [[!template id=plugin name=anonok author="[[Joey]]"]]
-[[!tag type/auth]]
+[[!tag type/auth type/comments]]
 
 By default, anonymous users cannot edit the wiki. This plugin allows
 anonymous web users, who have not signed in, to edit any page in the wiki
diff --git a/doc/plugins/blogspam.mdwn b/doc/plugins/blogspam.mdwn
index c158316d4..3dd017f61 100644
--- a/doc/plugins/blogspam.mdwn
+++ b/doc/plugins/blogspam.mdwn
@@ -1,5 +1,5 @@
 [[!template id=plugin name=blogspam author="[[Joey]]"]]
-[[!tag type/auth]]
+[[!tag type/auth type/comments]]
 
 This plugin adds antispam support to ikiwiki, using the
 [blogspam.net](http://blogspam.net/) API. Both page edits and
diff --git a/doc/plugins/comments.mdwn b/doc/plugins/comments.mdwn
index 48b6c6ae7..50a99415f 100644
--- a/doc/plugins/comments.mdwn
+++ b/doc/plugins/comments.mdwn
@@ -1,5 +1,5 @@
 [[!template id=plugin name=comments author="[[Simon_McVittie|smcv]]"]]
-[[!tag type/web]]
+[[!tag type/web type/comments]]
 
 This plugin adds "blog-style" comments. Unlike the wiki-style freeform 
 Discussion pages, these comments are posted by a simple form, cannot later
diff --git a/doc/plugins/lockedit.mdwn b/doc/plugins/lockedit.mdwn
index 681163203..8569238b1 100644
--- a/doc/plugins/lockedit.mdwn
+++ b/doc/plugins/lockedit.mdwn
@@ -1,5 +1,5 @@
 [[!template id=plugin name=lockedit core=1 author="[[Joey]]"]]
-[[!tag type/auth]]
+[[!tag type/auth type/comments]]
 
 This plugin allows the administrator of a wiki to lock some pages, limiting
 who can edit them using the online interface. This doesn't prevent anyone
diff --git a/doc/plugins/moderatedcomments.mdwn b/doc/plugins/moderatedcomments.mdwn
index f9466e833..85bcf652b 100644
--- a/doc/plugins/moderatedcomments.mdwn
+++ b/doc/plugins/moderatedcomments.mdwn
@@ -1,5 +1,5 @@
 [[!template id=plugin name=moderatedcomments author="[[Joey]]"]]
-[[!tag type/auth]]
+[[!tag type/auth type/comments]]
 
 This plugin causes [[comments]] to be held for manual moderation.
 Admins can access the comment moderation queue via their preferences page.
diff --git a/doc/plugins/type/comments.mdwn b/doc/plugins/type/comments.mdwn
new file mode 100644
index 000000000..6eaa2c25a
--- /dev/null
+++ b/doc/plugins/type/comments.mdwn
@@ -0,0 +1 @@
+These plugins relate to [[plugins/comments]].