[pkg] Fix `dart_data_home` typo

Change-Id: Iffdcbfe8cabcde8042544fa279d3ffbd91d936ce
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/440620
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Auto-Submit: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Michael Goderbauer <goderbauer@google.com>
diff --git a/pkg/dart_data_home/lib/dart_data_home.dart b/pkg/dart_data_home/lib/dart_data_home.dart
index 87fe8bc..cc8b2db 100644
--- a/pkg/dart_data_home/lib/dart_data_home.dart
+++ b/pkg/dart_data_home/lib/dart_data_home.dart
@@ -6,7 +6,7 @@
 
 /// A package providing [getDartDataHome], a standardized way to access a
 /// user-specific data directory for Dart and Flutter tooling, defaulting to
-/// OS-conventions and configurable via the `DART_USER_HOME` environment
+/// OS-conventions and configurable via the `DART_DATA_HOME` environment
 /// variable.
 library;
 
diff --git a/pkg/dart_data_home/pubspec.yaml b/pkg/dart_data_home/pubspec.yaml
index 0266739..b326f46 100644
--- a/pkg/dart_data_home/pubspec.yaml
+++ b/pkg/dart_data_home/pubspec.yaml
@@ -3,7 +3,7 @@
 description: >-
   A package providing a standardized way to access a user-specific data
   directory for Dart and Flutter tooling, defaulting to OS-conventions
-  and configurable via the `DART_USER_HOME` environment variable.
+  and configurable via the `DART_DATA_HOME` environment variable.
 
 # This package will be published at some point to be able to use it for Dart and
 # Flutter tooling that does not live in the Dart SDK.