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-rw-r--r--doc/plugins/img.mdwn3
1 files changed, 2 insertions, 1 deletions
diff --git a/doc/plugins/img.mdwn b/doc/plugins/img.mdwn
index b5eef148f..a4661f1a8 100644
--- a/doc/plugins/img.mdwn
+++ b/doc/plugins/img.mdwn
@@ -24,7 +24,8 @@ original image's aspect ratio is always preserved, even if this means
making the image smaller than the specified size.
You can also pass `alt`, `title`, `class` and `id` parameters. These are
-passed through unchanged to the html img tag.
+passed through unchanged to the html img tag. If you include a `caption`
+parameter, the caption will be displayed centered beneath the image.
The `link` parameter is used to control whether the scaled down image links
to the full size version. By default it does; set "link=somepage" to link