diff --git a/features/cli.feature b/features/cli.feature
index 89ef463..780a285 100644
--- a/features/cli.feature
+++ b/features/cli.feature
@@ -1,5 +1,5 @@
 # (The MIT License)
-# 
+#
 # SPDX-FileCopyrightText: Copyright (c) 2014-2025 Yegor Bugayenko
 # SPDX-License-Identifier: MIT
 Feature: Command Line Processing
diff --git a/features/gem_package.feature b/features/gem_package.feature
index d8bfc09..7a429cb 100644
--- a/features/gem_package.feature
+++ b/features/gem_package.feature
@@ -1,5 +1,5 @@
 # (The MIT License)
-# 
+#
 # SPDX-FileCopyrightText: Copyright (c) 2014-2025 Yegor Bugayenko
 # SPDX-License-Identifier: MIT
 Feature: Gem Package
diff --git a/features/git_basics.feature b/features/git_basics.feature
index 2c91981..ab55265 100644
--- a/features/git_basics.feature
+++ b/features/git_basics.feature
@@ -1,5 +1,5 @@
 # (The MIT License)
-# 
+#
 # SPDX-FileCopyrightText: Copyright (c) 2014-2025 Yegor Bugayenko
 # SPDX-License-Identifier: MIT
 Feature: Git repo processing
diff --git a/features/git_excludes.feature b/features/git_excludes.feature
index b3be4c3..e3acaae 100644
--- a/features/git_excludes.feature
+++ b/features/git_excludes.feature
@@ -1,5 +1,5 @@
 # (The MIT License)
-# 
+#
 # SPDX-FileCopyrightText: Copyright (c) 2014-2025 Yegor Bugayenko
 # SPDX-License-Identifier: MIT
 Feature: Exclude dirs from Git counting
diff --git a/features/svn_basics.feature b/features/svn_basics.feature
index 3d8a4a4..77fa487 100644
--- a/features/svn_basics.feature
+++ b/features/svn_basics.feature
@@ -1,5 +1,5 @@
 # (The MIT License)
-# 
+#
 # SPDX-FileCopyrightText: Copyright (c) 2014-2025 Yegor Bugayenko
 # SPDX-License-Identifier: MIT
 Feature: SVN Repo Processing
diff --git a/features/uses_config.feature b/features/uses_config.feature
index a887df1..e5998f6 100644
--- a/features/uses_config.feature
+++ b/features/uses_config.feature
@@ -1,5 +1,5 @@
 # (The MIT License)
-# 
+#
 # SPDX-FileCopyrightText: Copyright (c) 2014-2025 Yegor Bugayenko
 # SPDX-License-Identifier: MIT
 Feature: Using .hoc config file