Fix some minor typos

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161036 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/UsersManual.html b/docs/UsersManual.html
index 629d9b2..69f916c 100644
--- a/docs/UsersManual.html
+++ b/docs/UsersManual.html
@@ -757,7 +757,7 @@
 
 <p>While not strictly part of the compiler, the diagnostics from Clang's <a
 href="http://clang-analyzer.llvm.org">static analyzer</a> can also be influenced
-by the user via changes to the source code. See the avaliable 
+by the user via changes to the source code. See the available 
 <a href = "http://clang-analyzer.llvm.org/annotations.html" >annotations</a> and 
 the analyzer's 
 <a href= "http://clang-analyzer.llvm.org/faq.html#exclude_code" >FAQ page</a> for