diff --git a/src/HsH-classes.dtx b/src/HsH-classes.dtx
index d6642bb1309e6816e96a09d93301e4a9751396d8..ab11681e8ec9dde38f263991e4e073b472ef9382 100644
--- a/src/HsH-classes.dtx
+++ b/src/HsH-classes.dtx
@@ -87,21 +87,21 @@ http://www.latex-project.org/lppl.txt
 \NewDocElement[idxgroup=classes]{Class}{class}
 \NewDocElement{Option}{option}
 \providecommand\opt{\texttt}
-\newenvironment{options}%
-  {\begin{list}{}{%
-    \renewcommand{\makelabel}[1]{\opt{##1}\hfil}%
+\newenvironment{options}
+  {\begin{list}{}{
+    \renewcommand{\makelabel}[1]{\opt{##1}\hfil}
     \setlength{\itemsep}{-.5\parsep}
-    \settowidth{\labelwidth}{\texttt{xxxxxxxxx\space}}%
-    \setlength{\leftmargin}{\labelwidth}%
+    \settowidth{\labelwidth}{\texttt{xxxxxxxxx\space}}
+    \setlength{\leftmargin}{\labelwidth}
     \addtolength{\leftmargin}{\labelsep}
   }\raggedright}
   {\end{list}}
-\newenvironment{packages}%
-  {\begin{list}{}{%
-    \renewcommand{\makelabel}[1]{\pkg{##1}\hfil}%
+\newenvironment{packages}
+  {\begin{list}{}{
+    \renewcommand{\makelabel}[1]{\pkg{##1}\hfil}
     \setlength{\itemsep}{-.5\parsep}
-    \settowidth{\labelwidth}{\texttt{xxxxxxx\space}}%
-    \setlength{\leftmargin}{\labelwidth}%
+    \settowidth{\labelwidth}{\texttt{xxxxxxx\space}}
+    \setlength{\leftmargin}{\labelwidth}
     \addtolength{\leftmargin}{\labelsep}
   }\raggedright}
   {\end{list}}