diff --git a/docs/tutorial/LangImpl2.html b/docs/tutorial/LangImpl2.html
index 2a0d487..50eed96 100644
--- a/docs/tutorial/LangImpl2.html
+++ b/docs/tutorial/LangImpl2.html
@@ -739,12 +739,12 @@
 <pre>
 $ ./a.out 
 ready&gt; def foo(x y) x+foo(y, 4.0);
-ready&gt; Parsed an function definition.
+ready&gt; Parsed a function definition.
 ready&gt; def foo(x y) x+y y;
-ready&gt; Parsed an function definition.
+ready&gt; Parsed a function definition.
 ready&gt; Parsed a top-level expr
 ready&gt; def foo(x y) x+y );
-ready&gt; Parsed an function definition.
+ready&gt; Parsed a function definition.
 ready&gt; Error: unknown token when expecting an expression
 ready&gt; extern sin(a);
 ready&gt; Parsed an extern