diff --git a/README.md b/README.md
index 0ab26d6..f875227 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ fuzzer.
 
 # Supported OS
 
-This tool has only been tested on Linux based OS, and especially Ubuncu 20.04 LTS.
+This tool has only been tested on Linux based OS, and especially Ubuntu 20.04 LTS.
 
 # Dependencies