diff --git a/cppguide.html b/cppguide.html
index 21a21f3..f91ca9b 100644
--- a/cppguide.html
+++ b/cppguide.html
@@ -341,7 +341,7 @@ of Includes</a> for rules about when to #include a header.</p>
 
 <div class="summary">
 <p>Define functions inline only when they are small, say, 10
-lines or less.</p>
+lines or fewer.</p>
 </div>
 
 <div class="stylebody">