Fix typo, clean up awkward sentence

book.html

@@ -287,7 +287,7 @@ <h2 id="Registering-Module-Compilers">Registering Module Compilers</h2>
 };
 </code></pre>
 
-<p>Next we have to "register" the extension to assign out compiler. As previously mentioned our compiler lives at <em>./compiler/extended.js</em> so we are requiring it in, and passing the <code>compile()</code> method to <code>require.registerExtension()</code> which simply expects a function accepting a string, and returning a string of JavaScript.</p>
+<p>Next we have to "register" the extension to assign our compiler. As previously mentioned, our compiler lives at <em>./compiler/extended.js</em>; so we are requiring it, passing the <code>compile()</code> method to <code>require.registerExtension()</code> (which simply expects a function accepting a string), and returning a string of JavaScript.</p>
 
 <pre><code>require.registerExtension('.ejs', require('./compiler/extended').compile);
 </code></pre>

chapters/modules.html

@@ -187,7 +187,7 @@ <h2 id="Registering-Module-Compilers">Registering Module Compilers</h2>
 };
 </code></pre>
 
-<p>Next we have to "register" the extension to assign out compiler. As previously mentioned our compiler lives at <em>./compiler/extended.js</em> so we are requiring it in, and passing the <code>compile()</code> method to <code>require.registerExtension()</code> which simply expects a function accepting a string, and returning a string of JavaScript.</p>
+<p>Next we have to "register" the extension to assign our compiler. As previously mentioned, our compiler lives at <em>./compiler/extended.js</em>; so we are requiring it, passing the <code>compile()</code> method to <code>require.registerExtension()</code> (which simply expects a function accepting a string), and returning a string of JavaScript.</p>
 
 <pre><code>require.registerExtension('.ejs', require('./compiler/extended').compile);
 </code></pre>

chapters/modules.md

@@ -164,7 +164,7 @@ First let's create the module that will actually be doing the ejs to JavaScript
             .replace(/::/g, 'exports.');
     };
 
-Next we have to "register" the extension to assign out compiler. As previously mentioned our compiler lives at _./compiler/extended.js_ so we are requiring it in, and passing the `compile()` method to `require.registerExtension()` which simply expects a function accepting a string, and returning a string of JavaScript.
+Next we have to "register" the extension to assign our compiler. As previously mentioned, our compiler lives at _./compiler/extended.js_; so we are requiring it, passing the `compile()` method to `require.registerExtension()` (which simply expects a function accepting a string), and returning a string of JavaScript.
 
     require.registerExtension('.ejs', require('./compiler/extended').compile);