diff --git a/docs/tutorial/OCamlLangImpl1.html b/docs/tutorial/OCamlLangImpl1.html
index c7b0954021e..77b492fd5eb 100644
--- a/docs/tutorial/OCamlLangImpl1.html
+++ b/docs/tutorial/OCamlLangImpl1.html
@@ -252,7 +252,7 @@ it has to do is ignore whitespace between tokens.  This is accomplished with the
 recursive call above.</p>
 
 <p>The next thing <tt>Lexer.lex</tt> needs to do is recognize identifiers and
-specific keywords like "def".  Kaleidoscope does this with this a pattern match
+specific keywords like "def".  Kaleidoscope does this with a pattern match
 and a helper function.<p>
 
 <div class="doc_code">