Fix a typo (the the => the)

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160622 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/InternalsManual.html b/docs/InternalsManual.html
index 38cd849..c6df19c 100644
--- a/docs/InternalsManual.html
+++ b/docs/InternalsManual.html
@@ -361,7 +361,7 @@
 <tr><td colspan="2"><b>"diff" format</b></td></tr>
 <tr><td>Example:</td><td><tt>"no known conversion %diff{from | to | }1,2"</tt></td></tr>
 <tr><td>Class:</td><td>QualType</td></tr>
-<tr><td>Description</td><td><p>This formatter takes two QualTypes and attempts to print a template difference between the two.  If tree printing is off, the text inside the the braces before the pipe is printed, with the formatted text replacing the $.  If tree printing is on, the text after the pipe is printed and a type tree is printed after the diagnostic message.
+<tr><td>Description</td><td><p>This formatter takes two QualTypes and attempts to print a template difference between the two.  If tree printing is off, the text inside the braces before the pipe is printed, with the formatted text replacing the $.  If tree printing is on, the text after the pipe is printed and a type tree is printed after the diagnostic message.
 </p></td></tr>
     
 </table>