diff --git a/README.md b/README.md
index a4a3658..f890ea4 100644
--- a/README.md
+++ b/README.md
@@ -8,9 +8,7 @@ Simple API for self-registration of Keycloak accounts that use API keys.
 
 ```
 $ yarn install
-$ export CERC_KCUSERREG_API_URL=http://keycloak:8080/auth
-$ export CERC_KCUSERREG_REG_PW=MySecretKeycloakApiPassword
-$ yarn dev
+$ CERC_KCUSERREG_API_URL=http://my.keycloak.url:8080/auth yarn dev
 ```
 
 ### Docker
@@ -18,7 +16,6 @@ $ yarn dev
 ```
 $ docker build -t cerc/keycloak-reg-api:local .
 $ docker run \
-    -e CERC_KCUSERREG_API_URL=http://keycloak:8080/auth \
-    -e CERC_KCUSERREG_REG_PW=MySecretKeycloakApiPassword \
+    -e CERC_KCUSERREG_API_URL=http://my.keycloak.url:8080/auth \
     -p 9292 cerc/keycloak-reg-api:local
 ```
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