Fixing error in config for internal-telemetry.md (#5672)

Co-authored-by: opentelemetrybot <[email protected]>
Co-authored-by: Severin Neumann <[email protected]>

Author: 3 people

content/en/docs/collector/internal-telemetry.md

@@ -168,14 +168,14 @@ service:
             exporter:
               otlp:
                 protocol: grpc/protobuf
-                endpoint: localhost:14317
+                endpoint: http://localhost:14317
     traces:
       processors:
-        batch:
-          exporter:
-            otlp:
-              protocol: grpc/protobuf
-              endpoint: localhost:14317
+        - batch:
+            exporter:
+              otlp:
+                protocol: grpc/protobuf
+                endpoint: http://localhost:14317
 ```
 
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