misc documentation fixes

docs/content/observability/access-logs.md

@@ -152,15 +152,14 @@ accessLog:
   format: json
   fields:
     defaultMode: keep
-    fields:
+    names:
+      ClientUsername: drop
+    headers:
+      defaultMode: keep
       names:
-        ClientUsername: drop
+      - User-Agent: redact
-      headers:
+      - Authorization: drop
-        defaultMode: keep
+      - Content-Type: keep
-        names:
-        - User-Agent: redact
-        - Authorization: drop
-        - Content-Type: keep
 ```
 
 ```bash tab="CLI"

docs/content/providers/docker.md

@@ -77,6 +77,7 @@ Attach labels to your containers and let Traefik do the rest!
         deploy:
           labels:
             - traefik.http.routers.my-container.rule=Host(`my-domain`)
+            - traefik.http.services.my-container-service.loadbalancer.server.port=8080
     ```
 
     !!! important "Labels in Docker Swarm Mode"

docs/content/providers/marathon.md

@@ -243,7 +243,7 @@ That is to say, if none of the application's labels match the expression, no rou
 In addition, the expression also matched against the application's constraints, such as described in [Marathon constraints](https://mesosphere.github.io/marathon/docs/constraints.html).
 If the expression is empty, all detected applications are included.
 
-The expression syntax is based on the `Label("key", "value")`, and `LabelRegexp("key", "value")`, as well as the usual boolean logic.
+The expression syntax is based on the `Label("key", "value")`, and `LabelRegex("key", "value")`, as well as the usual boolean logic.
 In addition, to match against marathon constraints, the function `MarathonConstraint("field:operator:value")` can be used, where the field, operator, and value parts are joined together in a single string with the `:` separator.
 
 ??? example "Constraints Expression Examples"
@@ -275,7 +275,7 @@ In addition, to match against marathon constraints, the function `MarathonConstr
     
     ```toml
     # Includes only applications having a label with key `a.label.name` and a value matching the `a.+` regular expression.
-    constraints = "LabelRegexp(`a.label.name`, `a.+`)"
+    constraints = "LabelRegex(`a.label.name`, `a.+`)"
     ```
 
     ```toml

docs/content/routing/routers/index.md

@@ -631,7 +631,7 @@ Services are the target for the router.
           rule: "HostSNI(`foo-domain`)"
           service: service-id
           # will terminate the TLS request by default
-          tld: {}
+          tls: {}
     ```
 
 ??? example "Configuring passthrough"