Apply suggestions from code review

Co-authored-by: Lukas Stracke <[email protected]>

Author: mydea

packages/core/src/tracing/dynamicSamplingContext.ts

@@ -6,6 +6,10 @@ import { getClient } from '../currentScopes';
 import { SEMANTIC_ATTRIBUTE_SENTRY_SAMPLE_RATE, SEMANTIC_ATTRIBUTE_SENTRY_SOURCE } from '../semanticAttributes';
 import { getRootSpan, spanIsSampled, spanToJSON } from '../utils/spanUtils';
 
+/**
+ * If you change this value, also update the terser plugin config to
+ * avoid minification of the object property!
+ */
 const FROZEN_DSC_FIELD = '_frozenDsc';
 
 type SpanWithMaybeDsc = Span & {