Fix markup for tilde in URL.
diff --git a/Doc/inst/inst.tex b/Doc/inst/inst.tex
index 721b7f8..49f64b2 100644
--- a/Doc/inst/inst.tex
+++ b/Doc/inst/inst.tex
@@ -977,7 +977,7 @@
{Information about the free \Cpp{} compiler from Borland,
including links to the download pages.}
- \seetitle[http://www.cyberus.ca/~g_will/pyExtenDL.shtml]
+ \seetitle[http://www.cyberus.ca/\~{}g_will/pyExtenDL.shtml]
{Creating Python Extensions Using Borland's Free Compiler}
{Document describing how to use Borland's free command-line C++
compiler to build Python.}