diff --git a/README.md b/README.md
index e4a472a..2d70620 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # MH-Z19B CO2 Module
 
-Arduino implementation for the MH-Z19B sensor (as I didn't find all info in one place).
+Arduino implementation for MH-Z CO2 sensors such as **MH-Z14A**, **MH-Z18B** (as I didn't find all info in one place).
+
 The sensor is available for ~20 bucks at the usual places.
 
 ## Resources:
@@ -26,4 +27,4 @@ The implementation is mostly based on  https://forum.arduino.cc/index.php?topic=
 
 (russuian, but google translate does a good job)
 - https://geektimes.ru/post/285572/
-- https://geektimes.ru/post/278178/
\ No newline at end of file
+- https://geektimes.ru/post/278178/