Clarification on Span Creation API (#322)
Clarification on Span Creation API (#322)

* Clarification on Span Creation API

* Update specification/api-tracing.md

Co-Authored-By: Christian Neumüller <f80c045e0b29a8a0d8cfc19e571e9d9523c3f1c5@neumueller.me>

* addressed PR review - merged arguments lists

open-telemetry/opentelemetry-specification,open-telemetry/opentelemetry-specification