5 files changed, 10 insertions, 5 deletions
diff --git a/lib/plum/client/client_session.rb b/lib/plum/client/client_session.rb
index 09539aa..10276d4 100644
--- a/lib/plum/client/client_session.rb
+++ b/lib/plum/client/client_session.rb
@@ -1,4 +1,5 @@
-# -*- frozen-string-literal: true -*-
+# frozen-string-literal: true
+
 module Plum
   # HTTP/2 client session.
   class ClientSession
diff --git a/lib/plum/client/connection.rb b/lib/plum/client/connection.rb
index c244df9..a8433c9 100644
--- a/lib/plum/client/connection.rb
+++ b/lib/plum/client/connection.rb
@@ -1,4 +1,5 @@
-# -*- frozen-string-literal: true -*-
+# frozen-string-literal: true
+
 using Plum::BinaryString
 module Plum
   class ClientConnection < Connection
diff --git a/lib/plum/client/legacy_client_session.rb b/lib/plum/client/legacy_client_session.rb
index bc531ac..e9ff20b 100644
--- a/lib/plum/client/legacy_client_session.rb
+++ b/lib/plum/client/legacy_client_session.rb
@@ -1,4 +1,5 @@
-# -*- frozen-string-literal: true -*-
+# frozen-string-literal: true
+
 module Plum
   # HTTP/1.x client session.
   class LegacyClientSession
diff --git a/lib/plum/client/response.rb b/lib/plum/client/response.rb
index 2cc01a8..ce263f7 100644
--- a/lib/plum/client/response.rb
+++ b/lib/plum/client/response.rb
@@ -1,4 +1,5 @@
-# -*- frozen-string-literal: true -*-
+# frozen-string-literal: true
+
 module Plum
   class Response
     # The response headers
diff --git a/lib/plum/client/upgrade_client_session.rb b/lib/plum/client/upgrade_client_session.rb
index c0e0d9e..a098c71 100644
--- a/lib/plum/client/upgrade_client_session.rb
+++ b/lib/plum/client/upgrade_client_session.rb
@@ -1,4 +1,5 @@
-# -*- frozen-string-literal: true -*-
+# frozen-string-literal: true
+
 module Plum
   # Try upgrade to HTTP/2
   class UpgradeClientSession