diff --git a/README.md b/README.md
index 5efaf8d9..1f4f3c63 100644
--- a/README.md
+++ b/README.md
@@ -284,6 +284,12 @@ specified, default alignment is `left`.
 
     [[gollum.png|float]]
 
+By default text will fill up all the space around the image. To control how
+much should show up use this tag to stop and start a new block so that
+additional content doesn't fill in.
+
+    [[_]]
+
 To specify a max-width, use the `width=` option. Units must be specified in
 either `px` or `em`.
 
diff --git a/lib/gollum/public/gollum/css/gollum.css b/lib/gollum/public/gollum/css/gollum.css
index b0e8ab3b..e856eb0f 100755
--- a/lib/gollum/public/gollum/css/gollum.css
+++ b/lib/gollum/public/gollum/css/gollum.css
@@ -729,3 +729,6 @@ ul.actions {
   padding: 0.25em;
 }
 
+.clearfloats {
+  clear: both;
+}