diff --git a/sdk/lib/_internal/pub/lib/src/command/global_run.dart b/sdk/lib/_internal/pub/lib/src/command/global_run.dart
index 2629854..d0f35ba 100644
--- a/sdk/lib/_internal/pub/lib/src/command/global_run.dart
+++ b/sdk/lib/_internal/pub/lib/src/command/global_run.dart
@@ -16,7 +16,8 @@
   bool get takesArguments => true;
   bool get allowTrailingOptions => false;
   String get description =>
-      "Run an executable from a globally activated package.";
+      "Run an executable from a globally activated package.\n"
+      "NOTE: We are currently optimizing this command's startup time.";
   String get usage => "pub global run <package>:<executable> [args...]";
 
   Future onRun() {
diff --git a/sdk/lib/_internal/pub/lib/src/command/run.dart b/sdk/lib/_internal/pub/lib/src/command/run.dart
index 34ac728..9881b6d 100644
--- a/sdk/lib/_internal/pub/lib/src/command/run.dart
+++ b/sdk/lib/_internal/pub/lib/src/command/run.dart
@@ -15,7 +15,8 @@
 class RunCommand extends PubCommand {
   bool get takesArguments => true;
   bool get allowTrailingOptions => false;
-  String get description => "Run an executable from a package.";
+  String get description => "Run an executable from a package.\n"
+      "NOTE: We are currently optimizing this command's startup time.";
   String get usage => "pub run <executable> [args...]";
 
   Future onRun() {
diff --git a/tools/VERSION b/tools/VERSION
index 442bdc3..2f05b9e 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -28,4 +28,4 @@
 MINOR 6
 PATCH 0
 PRERELEASE 9
-PRERELEASE_PATCH 4
+PRERELEASE_PATCH 5