Fix missing / in url for memory-saving-mode.
@@ -978,7 +978,7 @@ other flags for specifying strategy.
(around 10%) for the <a href="guide.html#execution-phase">execution phase</a>.
The drawback is that further incremental builds will be slower. See also
-->
- <a href="/versions{{ current_version }}/memory-saving-mode.html">
+ <a href="/versions/{{ current_version }}/memory-saving-mode.html">
memory-saving mode<a/>.
</p>
