diff --git a/docs/wiki/configuration/Environment-variables.md b/docs/wiki/configuration/Environment-variables.md
index 3dc0ea0..097bf16 100644
--- a/docs/wiki/configuration/Environment-variables.md
+++ b/docs/wiki/configuration/Environment-variables.md
@@ -1,9 +1,9 @@
 # Supported environment variables
 
-| Variable | Description | Default value |
-| -------------- | ----------- | --------------- |
-| SQLALCHEMY_DATABASE_URI | SQL Alchemy URI to connect to database | <no default> |
-| SECRET_KEY   | Flask secret key [^1] | <no default> |
+| Variable | Description | Required | Default value |
+| ---------| ----------- | -------- | ------------- |
+| SQLALCHEMY_DATABASE_URI | SQL Alchemy URI to connect to database | Y | <no default> |
+| SECRET_KEY   | Flask secret key [^1] | Y | <no default> |
 
 
 [^1]: Flask secret key (see https://flask.palletsprojects.com/en/2.0.x/config/#SECRET_KEY for how to generate)