docs: apply suggestions from code review

Co-authored-by: Alejandro Santisteban <alex.santisteban@canonical.com>

Author: alesancor1

oci/loki/documentation.yaml

@@ -17,15 +17,15 @@ docker:
     -v /path/to/config/file:/etc/loki/local-config.yaml
     -v lokidata:/loki
   run_conclusion: |
-    Access the Loki instance at http://localhost:<port-value-defined-as-parameter-e.g.-3100>.
+    Access the Loki instance at http://localhost:3100.
   legacy:
     parameters: >-
       -e TZ=UTC
       -p 3100:3100
       -v /path/to/config/file:/etc/loki/loki.yaml
       -v lokidata:/loki
     run_conclusion: |
-      Access the legacy Loki instance at http://localhost:<port-value-defined-as-parameter-e.g.-3100>.
+      Access the legacy Loki instance at http://localhost:3100.
 
       Legacy tags up to 2.4 are Dockerfile-based images. To open an
       interactive shell in one of these containers, use: