diff --git a/Troubleshooting.md b/Troubleshooting.md
index f5c2efb..981b1bf 100644
--- a/Troubleshooting.md
+++ b/Troubleshooting.md
@@ -129,14 +129,16 @@ For 32-bit devices compatible with restores/downgrades (see README):
 
 ## Custom IPSW names
 - The custom IPSWs generated may have letter/s at the end of the file name. Here is a list of what each letter means.
-- **B** - Baseband update is disabled for this custom IPSW
-- **H** - Hacktivation is enabled for this custom IPSW
-- **J** - The custom IPSW is created with the jailbreak option enabled
+- **A** - Stitched activation records
+- **B** - Baseband update is disabled (and stitched baseband for iPhones)
+- **H** - Hacktivate option is enabled
+- **J** - Jailbreak option is enabled
+- **L** - Custom logo and/or recovery image is used
 - **N** - NOR flash IPSW for powdersn0w (used for 4.2.1 and lower targets)
-- **P** - powdersn0w is used for this custom IPSW (7.1.x base)
-- **P0** - powdersn0w is used for this custom IPSW (7.0.x base)
-- **T** - Tethered downgrade IPSW
-- **V** - The custom IPSW is created with the verbose option enabled
+- **P** - powdersn0w (7.1.x base)
+- **P0** - powdersn0w (7.0.x base)
+- **T** - Tethered downgrade
+- **V** - Verbose boot option is enabled
 
 ## DFU Advanced Menu for 32-bit devices
 - For this section, A6(X) refers to iPhone 5 and iPad 4 devices, while A5(X) refers to the rest of the supported 32-bit devices.