address pr comments

Author: blakeroberts-wk

lib/src/api/trace/span.dart

@@ -53,7 +53,7 @@ abstract class Span {
   // Retrieve the resource on this span.
   api.Resource get resource;
 
-  // Retrieve the resource on this span.
+  // Retrieve the instrumentation library on this span.
   api.InstrumentationLibrary get instrumentationLibrary;
 
   /// Marks the end of this span's execution.

lib/src/api/trace/span_context.dart

@@ -1,6 +1,6 @@
 import '../../../api.dart' as api;
 
-/// Representation of the context of the context of an individual span.
+/// Representation of the context of an individual span.
 abstract class SpanContext {
   /// Get the ID of the span.
   api.SpanId get spanId;