diff --git a/README.md b/README.md
index 6df9410..dcda64f 100644
--- a/README.md
+++ b/README.md
@@ -40,6 +40,9 @@ OAuth2 url for token information.
 ## USER_URL
 OAuth2 url for getting available users, the username will be appended to the end.
 
+## TOKENINFO_URL 
+OAuth2 url for requestion information about a token.
+
 ## CLIENT_ID
 Id of the OAuth2 application.
 
diff --git a/rootfs/etc/confd/templates/dovecot-oauth2.token.conf.ext.tmpl b/rootfs/etc/confd/templates/dovecot-oauth2.token.conf.ext.tmpl
index 412d892..4940f23 100644
--- a/rootfs/etc/confd/templates/dovecot-oauth2.token.conf.ext.tmpl
+++ b/rootfs/etc/confd/templates/dovecot-oauth2.token.conf.ext.tmpl
@@ -1,7 +1,7 @@
 grant_url = {{ getenv "GRANT_URL" }}
 client_id = {{ getenv "CLIENT_ID" }}
 client_secret = {{ getenv "CLIENT_SECRET" }}
-tokeninfo_url = {{ getenv "INTROSPECTION_URL" }}
+tokeninfo_url = {{ getenv "TOKENINFO_URL" }}
 introspection_url = {{ getenv "INTROSPECTION_URL" }}
 introspection_mode = {{ getenv "INTROSPECTION_MODE" "post" }}
 username_attribute = username