fixing docs

Author: galbash

instrumentation/opentelemetry-instrumentation-pika/src/opentelemetry/instrumentation/pika/__init__.py

@@ -78,7 +78,7 @@ def consume_hook(span: Span, body: bytes, properties: BasicProperties):
     PikaInstrumentor.instrument_channel(channel, publish_hook=publish_hook, consume_hook=consume_hook)
 
 Consumer Instrumentation
------
+------------------------
 For consumer instrumentation, pika supports two consuming modes:
 
 * Consumers using the `basic_consume` method which accepts a callback. This is supported for global instrumentation