diff --git a/css.html b/css.html
index 0e11346be..64540ad61 100644
--- a/css.html
+++ b/css.html
@@ -239,7 +239,7 @@ base_url: "../"
     <p>Don't want your columns to simply stack in smaller devices? Use the extra small and medium device grid classes by adding <code>.col-xs-*</code> <code>.col-md-*</code> to your columns. See the example below for a better idea of how it all works.</p>
     <div class="bs-docs-grid">
       <div class="row show-grid">
-        <div class="col-xs-12 col-md-8">.col-xs-12 col-md-8</div>
+        <div class="col-xs-12 col-md-8">.col-xs-12 .col-md-8</div>
         <div class="col-xs-6 col-md-4">.col-xs-6 .col-md-4</div>
       </div>
       <div class="row show-grid">
@@ -255,7 +255,7 @@ base_url: "../"
 {% highlight html %}
 <!-- Stack the columns on mobile by making one full-width and the other half-width -->
 <div class="row">
-  <div class="col-xs-12 col-md-8">.col-xs-12 col-md-8</div>
+  <div class="col-xs-12 col-md-8">.col-xs-12 .col-md-8</div>
   <div class="col-xs-6 col-md-4">.col-xs-6 .col-md-4</div>
 </div>
 
diff --git a/less/mixins.less b/less/mixins.less
index f956361fd..7cc364c63 100644
--- a/less/mixins.less
+++ b/less/mixins.less
@@ -618,7 +618,7 @@
   }
 }
 
-// Generate the large column offsets
+// Generate the medium column offsets
 .make-md-column-offset(@columns) {
   @media (min-width: @screen-md-min) {
     margin-left: percentage((@columns / @grid-columns));