Fix major typo

hadley · hadley · commit b20fe06a7f2e · 2013-11-26T10:55:18.000-06:00
diff --git a/_includes/programming-nav.html b/_includes/programming-nav.html
@@ -24,4 +24,4 @@
 <li><a href="Profiling.html">Profiling</a></li>
 <li><a href="memory.html">Memory</a></li>
 <li><a href="Rcpp.html">Rcpp</a></li>
-<li><a href="C-interface.html">R's C inference</a></li>
+<li><a href="C-interface.html">R's C interface</a></li>
