diff --git a/.themes/classic/source/_includes/article.html b/.themes/classic/source/_includes/article.html
index a658e34..6b3fb04 100644
--- a/.themes/classic/source/_includes/article.html
+++ b/.themes/classic/source/_includes/article.html
@@ -11,7 +11,7 @@
   </header>
 {% endunless %}
 {% if index %}
-  <div class="entry-content">{{ content | exerpt }}</div>
+  <div class="entry-content">{{ content | excerpt }}</div>
   <footer>
     <a rel="full-article" href="{{ root_url }}{{ post.url }}">Read on &rarr;</a>
   </footer>
diff --git a/plugins/octopress_filters.rb b/plugins/octopress_filters.rb
index 5b49363..429e505 100644
--- a/plugins/octopress_filters.rb
+++ b/plugins/octopress_filters.rb
@@ -2,7 +2,7 @@
 
 module OctopressFilters
   # Used on the blog index to split posts on the <!--more--> marker
-  def exerpt(input)
+  def excerpt(input)
     if input.index(/<!--\s*more\s*-->/i)
       input.split(/<!--\s*more\s*-->/i)[0]
     else