diff --git a/swap.html b/swap.html
index dfe9b84..2af5a88 100644
--- a/swap.html
+++ b/swap.html
@@ -60,7 +60,7 @@
     <!-- Portability -->
     <h2>Portability</h2>
     <p>
-      Several older compilers do not support argument dependent lookup – on these compilers <tt>boost::swap</tt> will call <tt>std::swap</tt>, ignoring any specialized swap functions that could be found as a result of argument dependent lookup.
+      Several older compilers do not support argument dependent lookup &#x2012; on these compilers <tt>boost::swap</tt> will call <tt>std::swap</tt>, ignoring any specialized swap functions that could be found as a result of argument dependent lookup.
     </p>
     
     <!-- Credits -->