Grammatical Fix (quality's -> qualities)

gui/slick/views/inc_qualityChooser.mako

@@ -23,7 +23,7 @@ selected = None
 
 <div id="customQualityWrapper">
     <div id="customQuality" style="padding-left: 0px;">
-        <p><b><u>Preferred</u></b> quality's will replace those in <b><u>allowed</u></b>, even if they are lower.</p>
+        <p><b><u>Preferred</u></b> qualities will replace those in <b><u>allowed</u></b>, even if they are lower.</p>
 
         <div style="padding-right: 40px; text-align: left; float: left;">
             <h5>Allowed</h5>