diff --git a/_includes/lecturenotes.html b/_includes/lecturenotes.html
index 22d1757c..99d0b49d 100644
--- a/_includes/lecturenotes.html
+++ b/_includes/lecturenotes.html
@@ -1519,7 +1519,7 @@
                 
             
                 <tr>
-                    <th id="part-style-guide"></th>
+                    <th id="part-styleguide"></th>
                     <th colspan="3" >Part. Style Guide</th>
                 </tr>
                 <tr>
@@ -4262,4 +4262,4 @@
                 
             
         </table>
-        
\ No newline at end of file
+