revert changes

lib/datadog/tracing/span_operation.rb

@@ -25,8 +25,16 @@ class SpanOperation
 
       # Span attributes
       # NOTE: In the future, we should drop the me
-      attr_accessor :id, :trace_id
-      attr_reader :end_time, :name, :parent_id, :resource, :service, :start_time, :type
+      attr_reader \
+        :end_time,
+        :id,
+        :name,
+        :parent_id,
+        :resource,
+        :service,
+        :start_time,
+        :trace_id,
+        :type
       attr_accessor :links, :status
 
       def initialize(

lib/datadog/tracing/tracer.rb

@@ -113,6 +113,7 @@ def initialize(
       # @param [String] service the service name for this span.
       # @param [Time] start_time time which the span should have started.
       # @param [Hash<String,String>] tags extra tags which should be added to the span.
+      # @param [String] type the type of the span. See {Datadog::Tracing::Metadata::Ext::AppTypes}.
       # @param [Integer] the id of the new span.
       # @return [Object] If a block is provided, returns the result of the block execution.
       # @return [Datadog::Tracing::SpanOperation] If no block is provided, returns the active,