diff --git a/steps/perl-5.36.3/files/Compress-Raw-Zlib_config.in b/steps/perl-5.36.3/files/Compress-Raw-Zlib_config.in
index 3bbcf2f4..cbad2f99 100644
--- a/steps/perl-5.36.3/files/Compress-Raw-Zlib_config.in
+++ b/steps/perl-5.36.3/files/Compress-Raw-Zlib_config.in
@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2025 fosslinux <fosslinux@aussies.space>
+# 
+# SPDX-License-Identifier: MIT
+
 BUILD_ZLIB      = False
 INCLUDE         = /usr/include
 LIB             = /usr/lib/i386-unknown-linux-musl
diff --git a/steps/perl-5.36.3/pass1.sh b/steps/perl-5.36.3/pass1.sh
index 3eee34f6..ebf6eefa 100755
--- a/steps/perl-5.36.3/pass1.sh
+++ b/steps/perl-5.36.3/pass1.sh
@@ -46,6 +46,9 @@ src_prepare() {
     mconf_dir=$(echo ../metaconfig*)
     ln -s "$mconf_dir"/.package .
     ln -s "$mconf_dir"/U .
+    # TODO This shouldn't be necessary, but I don't know how to fix it properly
+    # The problem is that these files produce duplicates in config.h which
+    # makes autodoc.pl very unhappy
     touch U/modified/{d_openat.U,d_vsnprintf.U,d_sched_yield.U} # null it
     metaconfig -m
 
diff --git a/steps/perl-5.36.3/patches/Devel-PPPort-remove-sprintf.patch b/steps/perl-5.36.3/patches/Devel-PPPort-remove-sprintf.patch
index 8f836365..9a33d7e1 100644
--- a/steps/perl-5.36.3/patches/Devel-PPPort-remove-sprintf.patch
+++ b/steps/perl-5.36.3/patches/Devel-PPPort-remove-sprintf.patch
@@ -1,3 +1,11 @@
+SPDX-FileCopyrightText: 2025 fosslinux <fosslinux@aussies.space>
+
+SPDX-License-Identifier: Artistic-1.0
+
+my_sprintf appears to be broken.
+This should not be necessary, but is; is most likely linked to metaconfig
+problems.
+
 diff --git perl-5.36.3/dist/Devel-PPPort/PPPort_pm.PL perl-5.36.3/dist/Devel-PPPort/PPPort_pm.PL
 index cfbfaeb8fa..f93e56df15 100644
 --- perl-5.36.3/dist/Devel-PPPort/PPPort_pm.PL
diff --git a/steps/perl-5.36.3/patches/Revert-mktables-Use-builtin-refaddr.patch b/steps/perl-5.36.3/patches/Revert-mktables-Use-builtin-refaddr.patch
index d5b816b4..f521b5da 100644
--- a/steps/perl-5.36.3/patches/Revert-mktables-Use-builtin-refaddr.patch
+++ b/steps/perl-5.36.3/patches/Revert-mktables-Use-builtin-refaddr.patch
@@ -1,3 +1,10 @@
+SPDX-FileCopyrightText: 2021 Karl Williamson <khw@cpan.org>
+SPDX-FileCopyrightText: 2025 fosslinux <fosslinux@aussies.space>
+
+SPDX-License-Identifier: Artistic-1.0
+
+builtin is not available in Perl 5.30. Remove the use of it for now.
+
 From 2cbb69f4dff9a096b47771b8d7c64008458df57a Mon Sep 17 00:00:00 2001
 From: Samuel Tyler <fosslinux@aussies.space>
 Date: Sun, 7 Sep 2025 14:32:20 +1000
diff --git a/steps/perl-5.36.3/patches/remove-machine-generated.patch b/steps/perl-5.36.3/patches/remove-machine-generated.patch
index 66ff8d9b..bcf36401 100644
--- a/steps/perl-5.36.3/patches/remove-machine-generated.patch
+++ b/steps/perl-5.36.3/patches/remove-machine-generated.patch
@@ -1,3 +1,7 @@
+SPDX-FileCopyrightText: 2025 fosslinux <fosslinux@aussies.space>
+
+SPDX-License-Identifier: Artistic-1.0
+
 There is no way to regenerate this easily. It is merely a fallback for when the
 previous fails and it will not fail with our perl.