Correct the name of a parameter in the description of the register()
function.
This closes bug #117467.
diff --git a/Doc/lib/libwebbrowser.tex b/Doc/lib/libwebbrowser.tex
index b65d5f9..725afa7 100644
--- a/Doc/lib/libwebbrowser.tex
+++ b/Doc/lib/libwebbrowser.tex
@@ -42,7 +42,7 @@
Return a controller object for the browser type \var{name}.
\end{funcdesc}
-\begin{funcdesc}{register}{name, constructor\optional{, controller}}
+\begin{funcdesc}{register}{name, constructor\optional{, instance}}
Register the browser type \var{name}. Once a browser type is
registered, the \function{get()} function can return a controller
for that browser type. If \var{instance} is not provided, or is