Index: sdk/lib/io/platform.dart |
diff --git a/sdk/lib/io/platform.dart b/sdk/lib/io/platform.dart |
index 48bf58beea0d3901d1c88d6cc97c9a00365a47f4..f58d56736681cc9b498459f587e22fbf48b23164 100644 |
--- a/sdk/lib/io/platform.dart |
+++ b/sdk/lib/io/platform.dart |
@@ -63,6 +63,9 @@ class Platform { |
/** |
* Get the environment for this process. |
* |
+ * The returned environment is a unmodifiable map which content is |
+ * retrieved from the operating system on its first use. |
+ * |
* Environment variables on Windows are case-insensitive. The map |
* returned on Windows is therefore case-insensitive and will convert |
* all keys to upper case. On other platforms the returned map is |