diff --git a/ARM64_RPI.sh b/ARM64_RPI.sh
index 395ed15..f4b0c29 100755
--- a/ARM64_RPI.sh
+++ b/ARM64_RPI.sh
@@ -12,14 +12,8 @@
 # $ ./ARM64_RPI.sh
 
 sed -i 's/CONFIG_PLATFORM_I386_PC = y/CONFIG_PLATFORM_I386_PC = n/g' Makefile
-RESULT=$?
 
-if [[ "$RESULT" != "0" ]]; then
-	echo "An error occurred and I386 support was not turned off in Makefile."
-	exit 1
-else
-	echo "I386 support was turned off in Makefile as planned."
-fi
+sed -i 's/CONFIG_PLATFORM_ARM_RPI = y/CONFIG_PLATFORM_ARM_RPI = n/g' Makefile
 
 sed -i 's/CONFIG_PLATFORM_ARM64_RPI = n/CONFIG_PLATFORM_ARM64_RPI = y/g' Makefile
 RESULT=$?
diff --git a/ARM_RPI.sh b/ARM_RPI.sh
index b4fd321..684eecf 100755
--- a/ARM_RPI.sh
+++ b/ARM_RPI.sh
@@ -14,14 +14,6 @@
 # getconf LONG_BIT (need to work on this)
 
 sed -i 's/CONFIG_PLATFORM_I386_PC = y/CONFIG_PLATFORM_I386_PC = n/g' Makefile
-RESULT=$?
-
-if [[ "$RESULT" != "0" ]]; then
-	echo "An error occurred and I386 support was not turned off in Makefile."
-	exit 1
-else
-	echo "I386 support was turned off in Makefile as planned."
-fi
 
 sed -i 's/CONFIG_PLATFORM_ARM_RPI = n/CONFIG_PLATFORM_ARM_RPI = y/g' Makefile
 RESULT=$?
@@ -33,3 +25,5 @@ else
 	echo "Raspberry Pi OS (32 bit) support was turned on in Makefile as planned."
 	exit 0
 fi
+
+sed -i 's/CONFIG_PLATFORM_ARM64_RPI = y/CONFIG_PLATFORM_ARM64_RPI = n/g' Makefile
diff --git a/README.md b/README.md
index f6157ed..5fcc4f8 100644
--- a/README.md
+++ b/README.md
@@ -51,8 +51,6 @@ sudo uname -a; mokutil --sb-state; lsusb; rfkill list all; dkms status; iw dev
 - LED control
 - Power saving control
 - VHT control (allows 80 MHz channel width in AP mode)
-- SU Beamformee and MU Beamformee control
-- SU Beamformer control
 - AP mode DFS channel control
 - USB mode control
 
@@ -91,7 +89,7 @@ and post in `Discussions` or `Issues`.
 
 ### Compatible Kernels
 
-- Kernels: 3.8 - 5.11  (Realtek)
+- Kernels: 4.19 - 5.11  (Realtek)
 - Kernels: 5.12 - 5.18 (community support)
 
 ### Tested Linux Distributions
@@ -461,7 +459,7 @@ Note: Removing the driver is advised in the following situations:
 - if driver installation fails
 - if the driver is no longer needed
 - if a new or updated version of the driver needs to be installed
-- if a distro version upgrade is going to be installed (going from kernel 5.10 to kernel 5.15)
+- if a distro version upgrade is going to be installed (i.e. going from kernel 5.10 to kernel 5.15)
 
 Note: The following removes everything that has been installed, with the
 exception of the packages installed in Step 3 and the driver directory.