diff --git a/.env.example.aad b/.env.example.aad
index cc929de..6f6ffd8 100644
--- a/.env.example.aad
+++ b/.env.example.aad
@@ -68,6 +68,9 @@ SYNC_SCHEDULE=0 * * * *
 ## Show the changes, but do not make any changes
 ## Default: false
 #TEST_MODE=false
+## Automatically add users missing from the organization
+ADD_MEMBER=false 
+
 
 ####################
 ## Flask Settings ##
diff --git a/.env.example.ldap b/.env.example.ldap
index 8b24242..e51228f 100644
--- a/.env.example.ldap
+++ b/.env.example.ldap
@@ -70,6 +70,8 @@ SYNC_SCHEDULE=0 * * * *
 ## Show the changes, but do not make any changes
 ## Default: false
 #TEST_MODE=false
+## Automatically add users missing from the organization
+ADD_MEMBER=false 
 
 ####################
 ## Flask Settings ##
diff --git a/.env.example.okta b/.env.example.okta
index f3e112e..775f035 100644
--- a/.env.example.okta
+++ b/.env.example.okta
@@ -53,6 +53,8 @@ SYNC_SCHEDULE=0 * * * *
 ## Show the changes, but do not make any changes
 ## Default: false
 #TEST_MODE=false
+## Automatically add users missing from the organization
+ADD_MEMBER=false 
 
 ####################
 ## Flask Settings ##
diff --git a/.env.example.onelogin b/.env.example.onelogin
index 771ef43..1854e85 100644
--- a/.env.example.onelogin
+++ b/.env.example.onelogin
@@ -55,6 +55,8 @@ SYNC_SCHEDULE=0 * * * *
 ## Show the changes, but do not make any changes
 ## Default: false
 #TEST_MODE=false
+## Automatically add users missing from the organization
+ADD_MEMBER=false 
 
 ####################
 ## Flask Settings ##
diff --git a/README.md b/README.md
index 796b10a..e79a413 100644
--- a/README.md
+++ b/README.md
@@ -112,6 +112,10 @@ GHE_HOST=github.example.com
 ## Okta = OKTA
 ## OneLogin = ONELOGIN
 USER_DIRECTORY=LDAP
+
+## Sync users on username or email attribute
+USER_SYNC_ATTRIBUTE=username
+
 ```
 
 ### Sample `.env` for Active Directory
@@ -183,6 +187,9 @@ REPO_FOR_ISSUES=github-demo/demo-repo
 ISSUE_ASSIGNEE=githubber
 SYNC_SCHEDULE=0 * * * *
 TEST_MODE=false
+
+### Automatically add users missing from the organization
+ADD_MEMBER=false 
 ```
 
 ### Sample `syncmap.yml` custom mapping file