diff --git a/_app/_includes/themes/curtana/includes/js.html b/_app/_includes/themes/curtana/includes/js.html
index ea90cb936..2f38ed8c1 100644
--- a/_app/_includes/themes/curtana/includes/js.html
+++ b/_app/_includes/themes/curtana/includes/js.html
@@ -4,7 +4,7 @@
   <script src="{{ '/js/intense.js' | prepend: amsf_theme_assets }}"></script>
   <script>
     window.onload = function() {
-      var fx = document.querySelectorAll('p > img:not(.nointense)');
+      var fx = document.querySelectorAll('p > img:not(.no-intense)');
       var el = document.body;
       var cl = 'loaded'
 
diff --git a/_app/_posts/note/2014-06-01-custom-html-markups.md b/_app/_posts/note/2014-06-01-custom-html-markups.md
index 96cda0fdf..de14cb6c2 100644
--- a/_app/_posts/note/2014-06-01-custom-html-markups.md
+++ b/_app/_posts/note/2014-06-01-custom-html-markups.md
@@ -70,7 +70,7 @@ Please note that you can't apply CSS classes in Markdown, so you have to use HTM
 
 ### Example
 
-<p class="browser"><img src="http://rsrc.sparanoid.com/delicious.com.png" alt="Delicious Preview" class="nointense"></p>
+<p class="browser"><img src="http://rsrc.sparanoid.com/delicious.com.png" alt="Delicious Preview" class="no-intense"></p>
 
 ## [intense.js](http://github.com/tholman/intense-images)
 
@@ -98,11 +98,11 @@ Or simply use HTML:
 </p>
 ```
 
-`intense.js` is activated globally by default, if you want to disable this effect for specific image, you can simply apply `.nointense` CSS class to your `<img>`:
+`intense.js` is activated globally by default, if you want to disable this effect for specific image, you can simply apply `.no-intense` CSS class to your `<img>`:
 
 ```html
 <p>
-  <img src="http://sparanoid.com/photo.jpg" class="nointense" alt="Image">
+  <img src="http://sparanoid.com/photo.jpg" class="no-intense" alt="Image">
 </p>
 ```
 
diff --git a/_app/assets/themes/curtana/_less/module-plugins.less b/_app/assets/themes/curtana/_less/module-plugins.less
index 3f5888546..d7d9ba809 100644
--- a/_app/assets/themes/curtana/_less/module-plugins.less
+++ b/_app/assets/themes/curtana/_less/module-plugins.less
@@ -5,7 +5,7 @@
 
   .intense-wrap {
 
-    article p > img:not(.nointense) {
+    article p > img:not(.no-intense) {
       cursor: zoom-in;
     }
   }