Fix typo: remove 'of'

'...a Q-Expression with only ~~of~~ the first element.'

Author: jasonflorentino

chapter10_q_expressions.html

@@ -138,7 +138,7 @@ <h2 id='builtin_functions'>Builtin Functions</h2> <hr/>
 
 <table class='table'>
   <tr><td><code>list</code></td><td>Takes one or more arguments and returns a new Q-Expression containing the arguments</td></tr>
-  <tr><td><code>head</code></td><td>Takes a Q-Expression and returns a Q-Expression with only of the first element</td></tr>
+  <tr><td><code>head</code></td><td>Takes a Q-Expression and returns a Q-Expression with only the first element</td></tr>
   <tr><td><code>tail</code></td><td>Takes a Q-Expression and returns a Q-Expression with the first element removed</td></tr>
   <tr><td><code>join</code></td><td>Takes one or more Q-Expressions and returns a Q-Expression of them conjoined together</td></tr>
   <tr><td><code>eval</code></td><td>Takes a Q-Expression and evaluates it as if it were a S-Expression</td></tr>