diff --git a/build.gradle b/build.gradle
index 65911bd..9d5b1d9 100644
--- a/build.gradle
+++ b/build.gradle
@@ -23,8 +23,14 @@ java.toolchain.languageVersion = JavaLanguageVersion.of(8) // Mojang ships Java
 
 minecraft {
 	// The mappings can be changed at any time, and must be in the following format.
-	// snapshot_YYYYMMDD   Snapshot are built nightly.
-	// stable_#			Stables are built at the discretion of the MCP team.
+	// Channel:   Version:
+	// snapshot   YYYYMMDD   Snapshot are built nightly.
+	// stable     #          Stables are built at the discretion of the MCP team.
+	// official   MCVersion  Official field/method names from Mojang mapping files
+	//
+	// You must be aware of the Mojang license when using the 'official' mappings.
+	// See more information here: https://github.com/MinecraftForge/MCPConfig/blob/master/Mojang.md
+	//
 	// Use non-default mappings at your own risk. they may not always work.
 	// Simply re-run your setup task after changing the mappings to update your workspace.
 	mappings channel: 'official', version: '1.16.5'