diff --git a/backup.sh b/backup.sh
index ed0d63f..c740d20 100755
--- a/backup.sh
+++ b/backup.sh
@@ -383,7 +383,7 @@ while getopts ':5:b:d:l:p:s:u:v:w:' PARAMS; do
 done
 
 
-### Verify script pre-requisties
+### Verify script pre-requisites
 
 ## If not running as root, display error on console and exit
 if [ $(id -u) -ne 0 ]; then
@@ -391,20 +391,20 @@ if [ $(id -u) -ne 0 ]; then
     exit 3
 fi
 
-## Check Seafile webroot
-# Ensure Seafile webroot is provided
-if [ -z "$ncRoot" ]; then
-    echo -e "\n${err}The Seafile webroot must be specified (-n parameter)" \
-        "${normal}\n"
+## Check Seafile program directory
+# Ensure Seafile program directory is provided
+if [ -z "$seafDir" ]; then
+    echo -e "\n${err}The Seafile program directory must be specified" \
+        "(-p parameter)${normal}\n"
     exit 1
-# Ensure Seafile webroot directory exists
-elif [ -n "$ncRoot" ]; then
-    checkExist fd "$ncRoot"
+# Ensure Seafile program directory exists
+else
+    checkExist fd "$seafDir"
     checkResult="$?"
-    if [ "$checkResult" = "1" ]; then
-        # Specified Seafile webroot directory could not be found
-        echo -e "\n${err}The provided Seafile webroot directory" \
-            "(-n parameter) does not exist.${normal}\n"
+    if [ "$checkResult" -eq 1 ]; then
+        # Specified Seafile program directory could not be found
+        echo -e "\n${err}The provided Seafile program directory" \
+            "(-p parameter) does not exist.${normal}\n"
         exit 1
     fi
 fi