diff --git a/internal/cmd/jafar/README.md b/internal/cmd/jafar/README.md
index 8f1f6da..1fdd4a0 100644
--- a/internal/cmd/jafar/README.md
+++ b/internal/cmd/jafar/README.md
@@ -4,7 +4,7 @@
 > evil genius to the evil grand vizier.
 
 Jafar is a censorship simulation tool used for testing OONI. It builds on
-any system but it really on works on Linux.
+any system but it really only works on Linux.
 
 ## Building