diff --git a/.env.production.sample b/.env.production.sample
index 8e15d6bcd2..1fe5c70afe 100644
--- a/.env.production.sample
+++ b/.env.production.sample
@@ -160,6 +160,15 @@ STREAMING_CLUSTER_NUM=1
 # Maximum number of pinned posts
 # MAX_PINNED_TOOTS=5
 
+# Maximum allowed bio characters
+# MAX_BIO_CHARS=500
+
+# Maximim number of profile fields allowed
+# MAX_PROFILE_FIELDS=4
+
+# Maximum allowed display name characters
+# MAX_DISPLAY_NAME_CHARS=30
+
 # Maximum image and video upload sizes
 # Units are in bytes
 # 1048576 bytes equals 1 megabyte