diff --git a/index.html b/index.html
index 3327df9..ecf2e1c 100644
--- a/index.html
+++ b/index.html
@@ -217,7 +217,7 @@ <h2>Rotated and flipped icons</h2>
     </p>
     <h2>Stacked icons</h2>
     <p>
-      To stack multiple icons, use the <code>fa-stack</code> class on the parent.
+      To stack multiple icons, use the <code>fg-stack</code> class on the parent.
 <pre style="color:#000000;background:#f1f0f0;"><span style="color:#a65700; ">&lt;</span><span style="color:#400000; font-weight:bold; ">span</span><span style="color:#074726; "> </span><span style="color:#074726; ">class</span><span style="color:#806030; ">=</span><span style="color:#e60000; ">"fg-stack fg-3x"</span><span style="color:#a65700; ">&gt;</span>
   <span style="color:#a65700; ">&lt;</span><span style="color:#400000; font-weight:bold; ">i</span><span style="color:#074726; "> </span><span style="color:#074726; ">class</span><span style="color:#806030; ">=</span><span style="color:#e60000; ">"fg-compass"</span><span style="color:#074726; "> </span><span style="color:#074726; ">style</span><span style="color:#806030; ">=</span><span style="color:#e60000; ">"</span><span style="color:#bb7977; font-weight:bold; ">color</span><span style="color:#806030; ">:</span><span style="color:#8c0000; ">#</span><span style="color:#c00000; ">666</span><span style="color:#806030; ">;</span><span style="color:#e60000; ">"</span><span style="color:#a65700; ">&gt;</span><span style="color:#a65700; ">&lt;/</span><span style="color:#400000; font-weight:bold; ">i</span><span style="color:#a65700; ">&gt;</span> 
   <span style="color:#a65700; ">&lt;</span><span style="color:#400000; font-weight:bold; ">i</span><span style="color:#074726; "> </span><span style="color:#074726; ">class</span><span style="color:#806030; ">=</span><span style="color:#e60000; ">"fg-compass-needle fg-rotate45"</span><span style="color:#074726; "> </span><span style="color:#074726; ">style</span><span style="color:#806030; ">=</span><span style="color:#e60000; ">"</span><span style="color:#bb7977; font-weight:bold; ">color</span><span style="color:#806030; ">:</span><span style="color:#8c0000; ">#</span><span style="color:#c00000; ">800</span><span style="color:#806030; ">;</span><span style="color:#e60000; ">"</span><span style="color:#a65700; ">&gt;</span><span style="color:#a65700; ">&lt;/</span><span style="color:#400000; font-weight:bold; ">i</span><span style="color:#a65700; ">&gt;</span>