Correct sample rate calculation comparison

Author: PontusHanssen

index.html

@@ -938,7 +938,7 @@ <h2>Extract response headers</h2>
         <li>
           Decide whether or not to report on this request.  Let <var>roll</var>
           be a random number between 0.0 and 1.0, inclusive. If <var>roll</var>
-          ≥ <var>sampling rate</var>, return null.
+          &gt; <var>sampling rate</var>, return null.
         </li>
 
         <li>