diff --git a/README.md b/README.md
index 84c838b..1084c6a 100644
--- a/README.md
+++ b/README.md
@@ -269,7 +269,7 @@ For travelling abroad there is a handy [World Electrical Plug & Socket Map][40]
 	- For devices with private information be sure to encrypt them! (VeraCrypt, GPG, FileVault, EncFS, Bitlocker, gbde, geli, dm-crypt, LUKS, eCryptFS)
         - Make a GPT Label or Volume label with your online nickname or handle because people can't read your owner.txt file on encrypted devices. You may also create multiple partitions (plaintext and encrypted ones).
 	- make note of the filesystem used so you know if they will work on the system of the person you want to exchange data with. (FAT32 is a safe bet to work everywhere, for larger files ExFAT should also work on most platforms.)
-	- Mac: NTFS can be read, but not written to without 3rd party software. FAT, ExFAT, HFS+(J), HFSX are fine for current OS X versions, ZFS, Ext2[/Ext3/Ext4 and NTFS r/w support need 3rd party software. APFS support is experimental in macOS 10.12 Sierra and available from the command line only.
+	- Mac: NTFS can be read, but not written to without 3rd party software. FAT, ExFAT, HFS+(J), HFSX are fine for current OS X versions, ZFS, Ext2/Ext3/Ext4 and NTFS r/w support need 3rd party software. APFS support is experimental in macOS 10.12 Sierra and available from the command line only.
 	- USB/Thunderbolt/USB-C to Ethernet RJ45 adapter, if your device needs one (for example thin notebooks)
 - Mass storage devices (bring some empty ones to fill with data and/or bring your own data and share it!)
 - Tablet computer, iPad, Android tablet, Microsoft surface