diff --git a/README.md b/README.md
index 10c6841..3008e0f 100644
--- a/README.md
+++ b/README.md
@@ -48,10 +48,10 @@
 
 - **autotest**:
     - Instance: https://idhub-autotest.demo.pangea.org
-    - Motivation: regenerated on each commit, intended for automated and fast testing
+    - Motivation: regenerated on each commit in main, intended for automated and fast testing
 - **nightly**:
     - Instance: https://idhub-nightly.demo.pangea.org
-    - Motivation: intended for manual testing
+    - Motivation: regenerated on each day at 4:00 AM
 
 ## Installation