diff --git a/Readme.markdown b/Readme.markdown
index 3b5f066..b318574 100644
--- a/Readme.markdown
+++ b/Readme.markdown
@@ -17,7 +17,7 @@ Core features:
 
 * Available in 6 programming languages, all with nearly equal functionality: Java, TypeScript/JavaScript, Python, Rust, C++, C
 * Significantly shorter code but more documentation comments compared to competing libraries
-* Supports encoding all 40 versions (sizes) and all 4 error correction levels, as per the QR Code Model 2 standard
+* Supports encoding all 40 versions (sizes) and all 4 error correction levels, as per the QR Code Model 2 standard from ISO/IEC 18004:2024
 * Output format: Raw modules/pixels of the QR symbol
 * Detects finder-like penalty patterns more accurately than other implementations
 * Encodes numeric and special-alphanumeric text in less space than general text