htcu12+: update information about device specific changes

Change-Id: Idec6aae47c29ef48f18181805fb662f7d35abcc2
diff --git a/_htc/htcu12+.markdown b/_htc/htcu12+.markdown
index 3046f7a..01d878c 100644
--- a/_htc/htcu12+.markdown
+++ b/_htc/htcu12+.markdown
@@ -13,7 +13,10 @@
 {% include disclaimer.html %}
 
 {% include supportstatus.html %}
-NOTE: Updates may break decrypt in TWRP. MTP is working starting with Release 3.2.3-1.
+NOTE:
+Updates may break decrypt in TWRP.
+MTP is working starting with Release 3.2.3-1.
+Release 3.2.3-2 supports HTC´s firmware 1.30.xxx.y with security patch state of 1st September 2018.
 
 {% include download.html %}
 
@@ -22,7 +25,7 @@
 Download the latest zip and install the zip using TWRP. Directly afterwards flash Magisk zip.
 
 If you do not already have TWRP installed:
-Download both the img and the zip. You will need to have fastboot binaries and the correct drivers installed. Power off your device completely. Hold power button until device vibrates, when vibration kicks in let go of the power button and hit immediately volume down button. Your device should now be in the bootloader. Boot now to download mode. Connect the device to your PC. Open a command window and run the following command from the proper location:
+Download both the img and the zip. Make sure you download the img, that matches your current firmware´s security patch date before booting it! As of HTC´s Software Update 1.30.xxx.y the security patch state changed to 1st September 2018; to confirm which version to boot, take a look at the XDA thread! All the needed information is usually available there. You will need to have fastboot binaries and the correct drivers installed. Power off your device completely. Hold power button until device vibrates, when vibration kicks in let go of the power button and hit immediately volume down button. Your device should now be in the bootloader. Boot now to download mode. Connect the device to your PC. Open a command window and run the following command from the proper location:
 
 fastboot boot path/to/twrp.img