diff --git a/include/plugin-manager.html b/include/plugin-manager.html
index c4b00b25..452db5dd 100644
--- a/include/plugin-manager.html
+++ b/include/plugin-manager.html
@@ -37,7 +37,7 @@
 <h2>Filtering Listed Plugins</h2>
 
 <p>
-  The middle of the <dfn>Plugin Manager</dfn> is used to filter the listed
+  The bottom left part of the <dfn>Plugin Manager</dfn> is used to filter the listed
   plugins. Typing into the text-box will filter the plugins based on the filter
   mode selected by drop-down box. Clicking <kbd class="menu">Clear</kbd>
   empties the text-box.
@@ -46,14 +46,14 @@
 <h2>Inserting Plugins in the Processor Box</h2>
 
 <p>
-  The bottom half of the plugin manager shows plugins that have been selected
+  The right part of the plugin manager shows plugins that have been selected
   for insertion into the <dfn>Processor Box</dfn>. A plugin can be added by
-  either double clicking the plugin entry in the top half, or, if already
-  selected in top half, by clicking <kbd class="menu">Add</kbd>.
+  either double clicking the plugin entry in the top left part, or, if already
+  selected in top left part, by clicking <kbd class="menu">Add</kbd>.
 <p>
 
 <p>
-  Plugins can be removed from the bottom half with a double click, or, if
+  Plugins can be removed from the right part with a double click, or, if
   already selected, by clicking <kbd class="menu">Remove</kbd>.
 </p>