diff --git a/cppguide.html b/cppguide.html
index f91ca9b..507404d 100644
--- a/cppguide.html
+++ b/cppguide.html
@@ -820,7 +820,7 @@ for (int i = 0; i < 1000000; ++i) {
 </pre>
 
 <p>It may be more efficient to declare such a variable
-used in a loop outside that loop:</p>
+(which is used in a loop) outside that loop:</p>
 
 <pre>Foo f;  // My ctor and dtor get called once each.
 for (int i = 0; i &lt; 1000000; ++i) {