Update README.md

Author: a10036gt

README.md

@@ -6,3 +6,6 @@ This is a map design for robotics training, students can use this map to experim
 The training map is same size as the WRO and FLL maps.
  - The dimensions of a map are 2362 mm x 1143 mm. 
  - The game mat must be printed with a matt finish/overlay (without reflecting colors!).
+
+## Disclaimer
+The map design by our members, and take [🇷🇺 Robitware (Pavel Tomshin)](http://elearning.robitware.ru/) and [🇲🇾 TESSLAB Robotics](https://www.tesslabrobotics.com/) map as reference.