diff --git a/mkosi.conf b/mkosi.conf
index 1f9e987e0b..300b86bf97 100644
--- a/mkosi.conf
+++ b/mkosi.conf
@@ -20,6 +20,8 @@ Environment=ASAN_OPTIONS=verify_asan_link_order=false
 @SELinuxRelabel=no
 BuildSourcesEphemeral=yes
 
+# Adding more kernel command line arguments is likely to hit the kernel command line limit (512 bytes) in
+# various scenarios. Consider adding support for a credential instead if possible and using that.
 KernelCommandLine=systemd.crash_shell
                   systemd.log_level=debug,console:info
                   systemd.log_ratelimit_kmsg=0