fix: Datadog case.

docs/content/observability/tracing/datadog.md

@@ -1,15 +1,15 @@
-# DataDog
+# Datadog
 
-To enable the DataDog:
+To enable the Datadog:
 
 ```toml tab="File (TOML)"
 [tracing]
-  [tracing.dataDog]
+  [tracing.datadog]
 ```
 
 ```yaml tab="File (YAML)"
 tracing:
-  dataDog: {}
+  datadog: {}
 ```
 
 ```bash tab="CLI"
@@ -24,13 +24,13 @@ Local Agent Host Port instructs reporter to send spans to datadog-tracing-agent
 
 ```toml tab="File (TOML)"
 [tracing]
-  [tracing.dataDog]
+  [tracing.datadog]
     localAgentHostPort = "127.0.0.1:8126"
 ```
 
 ```yaml tab="File (YAML)"
 tracing:
-  dataDog:
+  datadog:
     localAgentHostPort: 127.0.0.1:8126
 ```
 
@@ -42,17 +42,17 @@ tracing:
 
 _Optional, Default=false_
 
-Enable DataDog debug.
+Enable Datadog debug.
 
 ```toml tab="File (TOML)"
 [tracing]
-  [tracing.dataDog]
+  [tracing.datadog]
     debug = true
 ```
 
 ```yaml tab="File (YAML)"
 tracing:
-  dataDog:
+  datadog:
     debug: true
 ```
 
@@ -68,13 +68,13 @@ Apply shared tag in a form of Key:Value to all the traces.
 
 ```toml tab="File (TOML)"
 [tracing]
-  [tracing.dataDog]
+  [tracing.datadog]
     globalTag = "sample"
 ```
 
 ```yaml tab="File (YAML)"
 tracing:
-  dataDog:
+  datadog:
     globalTag: sample
 ```
 
@@ -91,13 +91,13 @@ this option must be enabled in order to get all the parts of a distributed trace
 
 ```toml tab="File (TOML)"
 [tracing]
-  [tracing.dataDog]
+  [tracing.datadog]
     prioritySampling = true
 ```
 
 ```yaml tab="File (YAML)"
 tracing:
-  dataDog:
+  datadog:
     prioritySampling: true
 ```
 

docs/content/observability/tracing/overview.md

@@ -11,7 +11,7 @@ Traefik supports five tracing backends:
 
 - [Jaeger](./jaeger.md)
 - [Zipkin](./zipkin.md)
-- [DataDog](./datadog.md)
+- [Datadog](./datadog.md)
 - [Instana](./instana.md)
 - [Haystack](./haystack.md)