## Configuring per-Service Credentials
-Within unit files, there are four settings to configure service credentials.
+Within unit files, there are the following settings to configure service
+credentials.
1. `LoadCredential=` may be used to load a credential from disk, from an
`AF_UNIX` socket, or propagate them from a system credential.
for inclusion in a filename) in the unit file, under which the invoked service
code can then retrieve it. Each name should only be specified once.
-For details about these four settings [see the man
+For details about these settings [see the man
page](https://www.freedesktop.org/software/systemd/man/systemd.exec.html#Credentials).
It is a good idea to also enable mount namespacing for services that process
## Encryption
Credentials are supposed to be useful for carrying sensitive information, such
-as cryptographic key material. For this kind of data (symmetric) encryption and
+as cryptographic key material. For such purposes (symmetric) encryption and
authentication are provided to make storage of the data at rest safer. The data
may be encrypted and authenticated with AES256-GCM. The encryption key can
either be one derived from the local TPM2 device, or one stored in