Fix link to global module index.
diff --git a/Doc/tools/sphinxext/indexcontent.html b/Doc/tools/sphinxext/indexcontent.html
index bdc6e57..7f85470 100644
--- a/Doc/tools/sphinxext/indexcontent.html
+++ b/Doc/tools/sphinxext/indexcontent.html
@@ -32,7 +32,7 @@
<p><strong>Indices and tables:</strong></p>
<table class="contentstable" align="center"><tr>
<td width="50%">
- <p class="biglink"><a class="biglink" href="{{ pathto("modindex") }}">Global Module Index</a><br/>
+ <p class="biglink"><a class="biglink" href="{{ pathto("py-modindex") }}">Global Module Index</a><br/>
<span class="linkdescr">quick access to all modules</span></p>
<p class="biglink"><a class="biglink" href="{{ pathto("genindex") }}">General Index</a><br/>
<span class="linkdescr">all functions, classes, terms</span></p>