diff --git a/doc/tutorial/numeric-metafunction.html b/doc/tutorial/numeric-metafunction.html
index 486e1f6..ac01a8d 100644
--- a/doc/tutorial/numeric-metafunction.html
+++ b/doc/tutorial/numeric-metafunction.html
@@ -17,7 +17,7 @@
 <cite>polymorphic</cite>, and can operate on a variety of numeric types,
 including rational, fixed-point and complex numbers.  They allow
 <cite>mixed arithmetic</cite>, meaning that you can perform an operation on
-arguments of different types, and the result will yeild the
+arguments of different types, and the result will yield the
 largest/most general of the argument types. The infrastructure
 allows user-defined numeric types to be freely intermixed with
 predefined library types. See
@@ -26,7 +26,7 @@ for an illustrative example, and the <a class="reference" href="./reference-manu
 the formal infrastructure specification.</p>
 <p>If you were using MPL numeric metafunctions on your own integral
 wrapper class similar to <tt class="literal"><span class="pre">mpl::int_</span></tt>, you can plug your class
-into the new infrustructure by extending it with the following
+into the new infrastructure by extending it with the following
 member:</p>
 <pre class="literal-block">
 typedef mpl::integral_c_tag tag;