diff --git a/docs/UsersManual.html b/docs/UsersManual.html
index 3636cdd..73ca6c6 100644
--- a/docs/UsersManual.html
+++ b/docs/UsersManual.html
@@ -1038,7 +1038,7 @@
 
 <p>For x32(i686-w64-mingw32), it is not supported yet.</p>
 
-<p>For x64(x86_64-w64-mingw32), <a href="http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20110321/118499.html">an essential patch(LLVM's r128206)</a> would be needed. It is incompatible to <a href="http://tdm-gcc.tdragon.net/development">TDM-GCC</a> due to the definiton of symbol &quot;<code>___chkstk</code>&quot;. Clang assumes as below;<p>
+<p>For x64(x86_64-w64-mingw32), <a href="http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20110321/118499.html">an essential patch(LLVM's r128206)</a> would be needed. It is incompatible to <a href="http://tdm-gcc.tdragon.net/development">TDM-GCC</a> due to the definition of symbol &quot;<code>___chkstk</code>&quot;. Clang assumes as below;<p>
 
 <ul>
 <li><tt>C:/mingw/x86_64-w64-mingw32/include</tt></li>