diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 1d4c25d..d1e43a2 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,6 +1,7 @@
 # Contribution Guidelines
 Please ensure your pull request adheres to the following guidelines:
 
+* This is an open source compilation, please check that the license of the software is suitable.
 * Please search previous suggestions before making a new one, as yours may be a duplicate.
 * Please make an individual pull request for each suggestion.
 * Use the following format: \[RESOURCE\]\(LINK\) - DESCRIPTION.