message: Modify the explanatory note
diff: @@ -63,7 +63,7 @@ public:
  enum class PropagationMode { SingleHeader, TracerNative };
  /**
  - * Controls how span context is propagated in HTTP hedaers. PropagationMode::SingleHeader will
  + * Controls how span context is propagated in HTTP headers. PropagationMode::SingleHeader will
  * propagate span context as a single header within the inline header HeaderMap::OtSpanContext;
  * otherwise, span context will be propagated using the native format of the tracing library.
  */
  