People like Karen and myself are confused by the placeholder, it seems like...

People like Karen and myself are confused by the placeholder, it seems like you don't have to change the master value. Also the to and from should be more prominent.

app/views/projects/compare/_form.html.haml

@@ -5,7 +5,8 @@
       %code.label-branch 4eedf23
       or branch/tag name like
       %code.label-branch master
-      and press compare button for commits list, code diff.
+      and press compare button for the commits list and a code diff.
+      Changes are shown <b>from</b> the version in the first field <b>to</b> the version in the second field.
 
     %br
 
@@ -14,9 +15,9 @@
       .pull-left
         - if params[:to] && params[:from]
           = link_to 'switch', {from: params[:to], to: params[:from]}, {class: 'commits-compare-switch has_tooltip', title: 'Switch base of comparison'}
-        = text_field_tag :from, params[:from], placeholder: "master", class: "input-xlarge input-xpadding"
+        = text_field_tag :from, params[:from], class: "input-xlarge input-xpadding"
         = "..."
-        = text_field_tag :to, params[:to], placeholder: "aa8b4ef", class: "input-xlarge input-xpadding"
+        = text_field_tag :to, params[:to], class: "input-xlarge input-xpadding"
       .pull-left
         &nbsp;
         = submit_tag "Compare", class: "btn btn-create commits-compare-btn"