diff --git a/ReadMe.md b/ReadMe.md
index 2dfcc447..3007c45f 100644
--- a/ReadMe.md
+++ b/ReadMe.md
@@ -1,4 +1,4 @@
-## LibYAML - A C library for parsing and emitting YAML.
+## LibYAML - A C library for parsing and emitting YAML 1.1
 
 To build and install the library, run: