diff --git a/src/HsH-classes.dtx b/src/HsH-classes.dtx
index 3901492be590547eb6f3e1cd687e7192baf2f2ff..50eb66f5d0d433b7ce6f81621f5d804cc21514da 100644
--- a/src/HsH-classes.dtx
+++ b/src/HsH-classes.dtx
@@ -276,7 +276,6 @@ http://www.latex-project.org/lppl.txt
 %           quarter of a line of free space at the end of a paragraph.
 %   \end{options}
 %
-%
 %   \DescribeOption{headheight}
 %   The \opt{headheight=\meta{dim}} option allows you to set the required size of the
 %   header. You may need to modify this if you get a |\headheight|\emph{ to low} error
@@ -1724,7 +1723,7 @@ http://www.latex-project.org/lppl.txt
     \global\let\@lowertitleback\@empty
     \global\let\@dedication\@empty
     \global\let\@matrikelnr\@empty
-    \global\let\@prof\@empty
+    \global\let\@professor\@empty
     \global\let\author\relax
     \global\let\title\relax
     \global\let\extratitle\relax