diff --git a/CloverPackage/package/Resources/templates/Localizable.strings b/CloverPackage/package/Resources/templates/Localizable.strings
index 1f3cb6e92..d0bedb5fe 100644
--- a/CloverPackage/package/Resources/templates/Localizable.strings
+++ b/CloverPackage/package/Resources/templates/Localizable.strings
@@ -35,13 +35,15 @@ boot2 (On the partition's root directory) for loading /EFI/CLOVER/CLOVERIA32.efi
 "boot0af_title" = "Install boot0af in MBR";
 "boot0af_description" = "Used for BIOS booting on BIOS motherboards.
 boot0af (boot0 Active First) bootloader try to boot the active partition defined in MBR. If there is no active partition, it will try to boot the first EFI/FAT32/HFS partition (defined in the MBR and then the GPT) with a valid PBR signature.
-This choice will setup selected HFS/Fat32 partition to be active.";
+This choice will setup selected HFS/Fat32 partition to be active. 
+WARNING On macOS Catalina and macOS Big Sur the system is a read-only file system, you cannot use this option without selecting the ESP option otherwise the installation will fail, for any older system there is no problem";
 
 "boot0ss_title" = "Install boot0ss in MBR";
 "boot0ss_description" = "Used for BIOS booting on BIOS motherboards.
 boot0ss (boot0 Signature Scanning) bootloader try to boot the first EFI/FAT32/HFS partition (defined in the MBR and then the GPT) with a valid PBR signature. If no partition is found it will try to boot the active partition defined in MBR.
 This bootloader is a good choice when you have Windows installed on the same disk because Windows wants to have its partition active.
-This choice will not activate any partition in MBR.";
+This choice will not activate any partition in MBR. 
+WARNING On macOS Catalina and macOS Big Sur the system is a read-only file system, you cannot use this option without selecting the ESP option otherwise the installation will fail, for any older system there is no problem";
 
 "bootNo_title" = "Don't update MBR and PBR sectors";
 "bootNo_description" = "Don't install any bootloader (boot0X, boot1X).