[dds] Fix misleading type in DAP comment

Change-Id: Ia79ec0ea3b7191619b905af91d7ff49fa1447753
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/228921
Reviewed-by: Ben Konyi <bkonyi@google.com>
diff --git a/pkg/dds/lib/src/dap/utils.dart b/pkg/dds/lib/src/dap/utils.dart
index 8dcfbae..c455837 100644
--- a/pkg/dds/lib/src/dap/utils.dart
+++ b/pkg/dds/lib/src/dap/utils.dart
@@ -21,7 +21,7 @@
 /// was necessarily a stack frame or that calling `toString` will return the
 /// original input text.
 stack.Frame? parseStackFrame(String line) {
-  // Because we split on \r, on Windows there may be trailing \r which prevents
+  // Because we split on \n, on Windows there may be trailing \r which prevents
   // package:stack_trace from parsing correctly.
   line = line.trim();