fix errors

README.md

@@ -88,7 +88,7 @@ knowledgable RHEL developers if they want to merge the required
 support and keep it current.
 
 Note: Android is not supported but I will support Android developers if they
-want to merge and keep current the required support (most like just
+want to merge and keep current the required support (most likely just
 instructions about how to compile and maybe a modification or two to Makefile). 
 
 
@@ -328,13 +328,13 @@ sudo xbps-install linux-headers dkms git make
 If using pacman
 
 ```
-sudo pacman -S --noconfirm linux-headers dkms git bc
+sudo pacman -S --noconfirm linux-headers dkms git
 ```
 
 Note: The following is needed if using Manjaro for RasPi4B.
 
 ```
-sudo pacman -S --noconfirm linux-rpi4-headers dkms git bc
+sudo pacman -S --noconfirm linux-rpi4-headers dkms git
 ```
 
 Note: If you are asked to choose a provider, make sure to choose the one

include/autoconf.h

@@ -24,8 +24,8 @@
 
 /* kills AP mode
  * #define CONFIG_REGD_SRC_FROM_OS
- ^/
- * 
+ */
+ 
 /* Set CONFIG_RTL8821C from Makefile */
 #ifndef CONFIG_RTL8821C
 #define CONFIG_RTL8821C

install-driver.sh

@@ -16,7 +16,7 @@
 # GNU General Public License for more details.
 
 SCRIPT_NAME="install-driver.sh"
-SCRIPT_VERSION="20221208"
+SCRIPT_VERSION="20221217"
 MODULE_NAME="8821cu"
 DRV_VERSION="5.12.0.4"
 
@@ -125,6 +125,15 @@ then
 	/sbin/depmod -a ${KVER}
 fi
 
+# check for installed dkms installations (work in progress)
+if command -v dkms >/dev/null 2>&1
+then
+	if dkms status | grep -qw ${DRV_NAME}; then
+		echo "opps..."
+		exit 1
+	fi
+fi
+
 # information that helps with bug reports
 
 # display kernel version