minor typo


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137496 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/Atomics.html b/docs/Atomics.html
index e2effc6..967ebdd 100644
--- a/docs/Atomics.html
+++ b/docs/Atomics.html
@@ -252,7 +252,7 @@
       operation.</dd>
   <dt>Notes for optimizers</dt>
   <dd>Optimizers not aware of atomics can treat this like a nothrow call.
-      Tt is also possible to move stores from before an Acquire load
+      It is also possible to move stores from before an Acquire load
       or read-modify-write operation to after it, and move non-Acquire
       loads from before an Acquire operation to after it.</dd>
   <dt>Notes for code generation</dt>