diff --git a/doc/27_ref_optional_synopsis.qbk b/doc/27_ref_optional_synopsis.qbk
index 9be5846..d86967b 100644
--- a/doc/27_ref_optional_synopsis.qbk
+++ b/doc/27_ref_optional_synopsis.qbk
@@ -228,7 +228,7 @@ They are empty, trivially copyable classes with disabled default constructor.
 
 [#reference_operator_template_spec]
     template <class T>
-    class optional<T&> // specilization for lvalue references
+    class optional<T&> // specialization for lvalue references
     {
     public :
 
diff --git a/doc/html/boost_optional/reference/header__boost_optional_optional_hpp_/header_optional_optional_refs.html b/doc/html/boost_optional/reference/header__boost_optional_optional_hpp_/header_optional_optional_refs.html
index 3472915..3244e97 100644
--- a/doc/html/boost_optional/reference/header__boost_optional_optional_hpp_/header_optional_optional_refs.html
+++ b/doc/html/boost_optional/reference/header__boost_optional_optional_hpp_/header_optional_optional_refs.html
@@ -28,7 +28,7 @@
         References</a>
 </h4></div></div></div>
 <a name="reference_operator_template_spec"></a><pre class="programlisting"><span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
-<span class="keyword">class</span> <span class="identifier">optional</span><span class="special">&lt;</span><span class="identifier">T</span><span class="special">&amp;&gt;</span> <span class="comment">// specilization for lvalue references</span>
+<span class="keyword">class</span> <span class="identifier">optional</span><span class="special">&lt;</span><span class="identifier">T</span><span class="special">&amp;&gt;</span> <span class="comment">// specialization for lvalue references</span>
 <span class="special">{</span>
 <span class="keyword">public</span> <span class="special">:</span>