Add extra details to spec README.md

Author: bluegate010

specifications/device-identity-provisioning/README.md

@@ -1,3 +1,5 @@
+# Device Identity Provisioning
+
 ## Specification Website
 
 A version of the specification tracking the latest content in the `master` branch can be found at https://opencomputeproject.github.io/Security/device-identity-provisioning/HEAD/.

specifications/dpe-irot-profile/README.md

@@ -1,5 +1,9 @@
 # DPE iRoT Profile
 
+## Specification Website
+
+A version of the specification tracking the latest content in the `master` branch can be found at https://opencomputeproject.github.io/Security/dpe-irot-profile/HEAD/.
+
 ## Specification source
 
 The specification source is available in [spec.ocp](./spec.ocp).
@@ -10,5 +14,9 @@ To view a rendered version of the specification, clone the [ocp-spec-tools](http
 
 ```sh
 $ path/to/ocp-spec-tools/docker-pull.sh
-$ path/to/ocp-spec-tools/docker-run.sh --pdf dpe-irot-profile.pdf spec.ocp
+$ path/to/ocp-spec-tools/docker-run.sh --html spec.html spec.ocp
 ```
+
+## Maintaining the specification
+
+See [here](https://github.com/opencomputeproject/ocp-spec-tools/blob/main/README.md#tips-and-tricks) for guidance on maintaining the specification.