diff --git a/README.md b/README.md
index 223ef13c6..8f92d30cc 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,7 @@ Fixing build problems with dependencies or cached build options
 
 Redis has some dependencies which are included into the `deps` directory.
 `make` does not rebuild dependencies automatically, even if something in the
-source code of dependencies is changes.
+source code of dependencies has been changed.
 
 When you update the source code with `git pull` or when code inside the
 dependencies tree is modified in any other way, make sure to use the following