diff --git a/readme.md b/readme.md
index 0cb5646..d1a6c20 100644
--- a/readme.md
+++ b/readme.md
@@ -246,6 +246,19 @@ docker run -it --rm --name windows -p 8006:8006 --device=/dev/kvm --cap-add NET_
 
   Please note that in this mode, the container and Windows will each have their own separate IPs. The container will keep the macvlan IP, and Windows will use the DHCP IP.
 
+* ### How do I add multiple disks?
+
+  To create additional disks, modify your compose file like this:
+  
+  ```yaml
+  environment:
+    DISK2_SIZE: "32G"
+    DISK3_SIZE: "64G"
+  volumes:
+    - /home/example:/storage2
+    - /mnt/data/example:/storage3
+  ```
+
 * ### How do I pass-through a disk?
 
   It is possible to pass-through disk devices directly by adding them to your compose file in this way:
diff --git a/src/install.sh b/src/install.sh
index a21eef2..84224e9 100644
--- a/src/install.sh
+++ b/src/install.sh
@@ -279,7 +279,7 @@ verifyFile() {
   local check="$4"
 
   if [ -n "$size" ] && [[ "$total" != "$size" ]] && [[ "$size" != "0" ]]; then
-    warn "The downloaded file has an invalid size: $total bytes, while expected value was: $size bytes. Please report this at $SUPPORT/issues"
+    warn "The downloaded file has an unexpected size: $total bytes, while expected value was: $size bytes. Please report this at $SUPPORT/issues"
   fi
 
   local hash=""
@@ -394,10 +394,9 @@ downloadImage() {
     tried="y"
 
     if getESD "$TMP/esd" "$version"; then
-      local prev="$ISO"
       ISO="${ISO%.*}.esd"
       downloadFile "$ISO" "$ESD" "$ESD_SUM" "$ESD_SIZE" "$desc" && return 0
-      ISO="$prev"
+      ISO="$iso"
     fi
 
   fi
@@ -626,41 +625,27 @@ selectVersion() {
 detectVersion() {
 
   local xml="$1"
-  local id=""
-  local arch=""
+  local id arch
   local tag="ARCH"
   local platform="x64"
+  local compat="$platform"
 
   arch=$(sed -n "/$tag/{s/.*<$tag>\(.*\)<\/$tag>.*/\1/;p}" <<< "$xml")
 
   case "${arch,,}" in
-    "0" )
-      platform="x86"
-      if [[ "${PLATFORM,,}" != "x64" ]]; then
-        error "You cannot boot $platform images on a $PLATFORM cpu!" && exit 67
-      fi
-      ;;
-    "9" )
-      platform="x64"
-      if [[ "${PLATFORM,,}" != "x64" ]]; then
-        error "You cannot boot $platform images on a $PLATFORM cpu!" && exit 67
-      fi
-      ;;
-    "12" )
-      platform="arm64"
-      if [[ "${PLATFORM,,}" != "arm64" ]]; then
-        error "You cannot boot ${platform^^} images on a $PLATFORM cpu!" && exit 67
-      fi
-      ;;
+    "0" ) platform="x86"; compat="x64" ;;
+    "9" ) platform="x64"; compat="$platform" ;;
+    "12" )platform="arm64"; compat="$platform" ;;
   esac
-  
+
+  if [[ "${compat,,}" != "${PLATFORM,,}" ]]; then
+    error "You cannot boot ${platform^^} images on a $PLATFORM cpu!"
+    exit 67
+  fi
+
   id=$(selectVersion "DISPLAYNAME" "$xml" "$platform")
-  [ -n "$id" ] && [[ "${id,,}" != *"unknown"* ]] && echo "$id" && return 0
-
-  id=$(selectVersion "PRODUCTNAME" "$xml" "$platform")
-  [ -n "$id" ] && [[ "${id,,}" != *"unknown"* ]] && echo "$id" && return 0
-
-  id=$(selectVersion "NAME" "$xml" "$platform")
+  [ -z "$id" ] && id=$(selectVersion "PRODUCTNAME" "$xml" "$platform")
+  [ -z "$id" ] && id=$(selectVersion "NAME" "$xml" "$platform")
   [ -n "$id" ] && [[ "${id,,}" != *"unknown"* ]] && echo "$id" && return 0
 
   return 0
@@ -674,8 +659,8 @@ detectImage() {
 
   XML=""
 
-  if [ -z "$DETECTED" ] && [[ "${version,,}" != "http"* ]]; then
-    [ -z "$CUSTOM" ] && DETECTED="$version"
+  if [ -z "$DETECTED" ] && [ -z "$CUSTOM" ]; then
+    [[ "${version,,}" != "http"* ]] && DETECTED="$version"
   fi
 
   if [ -n "$DETECTED" ]; then