Fix a grammaro.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100877 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/CodeGenerator.html b/docs/CodeGenerator.html
index 1159a6c..fbdc294 100644
--- a/docs/CodeGenerator.html
+++ b/docs/CodeGenerator.html
@@ -1430,7 +1430,7 @@
instruction,
use <tt>TargetInstrInfo::get(opcode)::ImplicitUses</tt>. Pre-colored
registers impose constraints on any register allocation algorithm. The
- register allocator must make sure that none of them is been overwritten by
+ register allocator must make sure that none of them are overwritten by
the values of virtual registers while still alive.</p>
</div>