diff --git a/lib/CodeGen/ExpandPseudos.cpp b/lib/CodeGen/ExpandPseudos.cpp
index 4f9e8ad2ae0..2f7bc8f6d46 100644
--- a/lib/CodeGen/ExpandPseudos.cpp
+++ b/lib/CodeGen/ExpandPseudos.cpp
@@ -7,7 +7,7 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// Expand Psuedo-instructions produced by ISel. These is usually to allow
+// Expand Psuedo-instructions produced by ISel. These are usually to allow
 // the expansion to contain control flow, such as a conditional move
 // implemented with a conditional branch and a phi, or an atomic operation
 // implemented with a loop.