diff --git a/ghc/runtime/gum/SysMan.lc b/ghc/runtime/gum/SysMan.lc
index e96a4bca211116dfd1ba547a46d5ce31857bc972..d6214d22059944b74be2e0521409f40f3a8c3960 100644
--- a/ghc/runtime/gum/SysMan.lc
+++ b/ghc/runtime/gum/SysMan.lc
@@ -40,7 +40,7 @@ The arguments passed to the Main-thread PE-executable are
 -------------------------------------------------------------------
 | main flag | pvm-executable path | Num. PEs | Program Args ... |
 -------------------------------------------------------------------
-\begin{verbatim}
+\end{verbatim}
 \item SysMan's algorithm is as follows.
 \begin{itemize}
 \item use PVM to spawn (nPE-1) PVM tasks