message: docs: replace comments regarding OpenTelemetry's 'Extract' with 'Extractor'
diff: @@ -22,7 +22,7 @@ pub trait OpenTelemetrySpanExt {
  /// use std::collections::HashMap;
  /// use tracing::Span;
  ///
  - /// // Example carrier, could be a framework header map that impls otel's `Extract`.
  + /// // Example carrier, could be a framework header map that impls otel's `Extractor`.
  /// let mut carrier = HashMap::new();
  ///
  /// // Propagator can be swapped with b3 propagator, jaeger propagator, etc.
  @@ -56,7 +56,7 @@ pub trait OpenTelemetrySpanExt {
  /// use std::collections::HashMap;
  /// use tracing::Span;
  ///
  - /// // Example carrier, could be a framework header map that impls otel's `Extract`.
  + /// // Example carrier, could be a framework header map that impls otel's `Extractor`.
  /// let mut carrier = HashMap::new();
  ///
  /// // Propagator can be swapped with b3 propagator, jaeger propagator, etc.
  