Fix acronym (DHCP) to use capital letters

Signed-off-by: Sergio Arroutbi <[email protected]>

Author: sarroutbi

src/luks/clevis-luks-unlockers.7.adoc

@@ -38,11 +38,11 @@ your root volume. Note, however, that early boot integration only works for the
 root volume. Non-root volumes should use the late boot unlocker.
 
 Dracut will not bring up your network by default. You can either have it come
-up via dhcp by using rd.neednet=1 in kernel cmdline or you can specify custom
+up via DHCP by using rd.neednet=1 in kernel cmdline or you can specify custom
 network parameters, such as static IP configuration, please consult the dracut
 documentation.
 
-dhcp can be easily added to early boot by setting it in a configuration file
+DHCP can be easily added to early boot by setting it in a configuration file
 and rebuilding initramfs afterwards
 
     $ echo 'kernel_cmdline="rd.neednet=1"' | sudo tee /etc/dracut.conf.d/clevis.conf