diff --git a/dockerfiles/mate-tool-env/README.md b/dockerfiles/mate-tool-env/README.md
index f038722..01a4c7e 100644
--- a/dockerfiles/mate-tool-env/README.md
+++ b/dockerfiles/mate-tool-env/README.md
@@ -1 +1,3 @@
-We'll need java.
+# Environment requirements
+
+* java