diff --git a/doc/source/configuration.rst b/doc/source/configuration.rst
index 2e5f706..36828e0 100644
--- a/doc/source/configuration.rst
+++ b/doc/source/configuration.rst
@@ -108,12 +108,12 @@
 insufficient for certain use cases because of the admin credentials requirement
 to create the credential sets on demand. To get around that the accounts.yaml
 file was introduced and with that a new internal credential provider to enable
-using the list of credentials instead of creating them on demand. With locking
-test accounts each test class will reserve a set of credentials from the
-accounts.yaml before executing any of its tests so that each class is isolated
-like with dynamic credentials.
+using the list of credentials instead of creating them on demand. With
+pre-provisioned credentials (also known as locking test accounts) each test
+class will reserve a set of credentials from the accounts.yaml before executing
+any of its tests so that each class is isolated like with dynamic credentials.
 
-To enable and use locking test accounts you need do a few things:
+To enable and use pre-provisioned credentials you need do a few things:
 
 #. Create an accounts.yaml file which contains the set of pre-existing
    credentials to use for testing. To make sure you don't have a credentials