diff --git a/lib/spack/spack/installer.py b/lib/spack/spack/installer.py
index 540325a5412..9965c0eefbc 100644
--- a/lib/spack/spack/installer.py
+++ b/lib/spack/spack/installer.py
@@ -927,7 +927,7 @@ def __init__(
             pkg: the package to be built and installed
             request: the associated install request where ``None`` can be
                 used to indicate the package was explicitly requested by the user
-            compiler (bool): whether task is for a bootstrap compiler
+            compiler: whether task is for a bootstrap compiler
             start: the initial start time for the package, in seconds
             attempts: the number of attempts to install the package
             status: the installation status
@@ -2619,7 +2619,7 @@ def install(self):
         """
         try:
             with fs.replace_directory_transaction(self.task.pkg.prefix):
-                return self.installer._install_task(self.task, self.install_status)
+                self.installer._install_task(self.task, self.install_status)
         except fs.CouldNotRestoreDirectoryBackup as e:
             self.database.remove(self.task.pkg.spec)
             tty.error(
diff --git a/lib/spack/spack/schema/splice.py b/lib/spack/spack/schema/splice.py
index d20c8c4b544..d690f9b02dc 100644
--- a/lib/spack/spack/schema/splice.py
+++ b/lib/spack/spack/schema/splice.py
@@ -1,4 +1,4 @@
-# Copyright 2013-2023 Lawrence Livermore National Security, LLC and other
+# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
 # Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
diff --git a/var/spack/repos/builtin.mock/packages/splice-vt/package.py b/var/spack/repos/builtin.mock/packages/splice-vt/package.py
index e8b32cf3df4..723dbf875f7 100644
--- a/var/spack/repos/builtin.mock/packages/splice-vt/package.py
+++ b/var/spack/repos/builtin.mock/packages/splice-vt/package.py
@@ -1,4 +1,4 @@
-# Copyright 2013-2023 Lawrence Livermore National Security, LLC and other
+# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
 # Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)