Change wording


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27824 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html
index 483147a..02b65f7 100644
--- a/docs/ReleaseNotes.html
+++ b/docs/ReleaseNotes.html
@@ -383,7 +383,7 @@
 <p>
 llvm-gcc3 has many significant problems that are fixed by llvm-gcc4.  See
     those blocked on the <a href="http://llvm.org/PR498">llvm-gcc4 meta bug</a>.
-Two signicant ones include:</p>
+Two major ones include:</p>
 
 <ul>
 <li>With llvm-gcc3,