diff --git a/compiler/circle2circle/README.md b/compiler/circle2circle/README.md
index 3e94d25402e..6c26a794fbd 100644
--- a/compiler/circle2circle/README.md
+++ b/compiler/circle2circle/README.md
@@ -1,3 +1,3 @@
 # circle2circle
 
-_circle2circle_ provides Circle optimizations as executable tool
+_circle2circle_ provides Circle optimizations as an executable tool