diff --git a/setup.sh b/setup.sh
index 79f2bda..64da036 100755
--- a/setup.sh
+++ b/setup.sh
@@ -30,12 +30,12 @@ Supported Environments:
 EOF
 }
 
-environment = ""
-account_id = ""
-api_key = ""
-region = ""
-cluster_name = ""
-license_key = ""
+environment=""
+account_id=""
+api_key=""
+region=""
+cluster_name=""
+license_key=""
 
 setup_k8s () {
     curl -Ls https://download.newrelic.com/install/newrelic-cli/scripts/install.sh \
@@ -119,7 +119,7 @@ while [ "$#" -gt 0 ]; do
                     show_help
                     exit 1
                 else
-                    $account_id = false
+                    $account_id = ""
                 fi
             fi
             ;;
@@ -133,7 +133,7 @@ while [ "$#" -gt 0 ]; do
                     show_help
                     exit 1
                 else
-                    $api_key = false
+                    $api_key = ""
                 fi
             fi
             ;;
@@ -147,11 +147,11 @@ while [ "$#" -gt 0 ]; do
                     show_help
                     exit 1
                 else
-                    $region = false
+                    $region = ""
                 fi
             fi
             ;;
-        -c|--cluster-name)
+        -n|--cluster-name)
             if [ "$2" ]; then
                 cluster_name="$2"
                 shift 2
@@ -161,7 +161,7 @@ while [ "$#" -gt 0 ]; do
                     show_help
                     exit 1
                 else
-                    $cluster_name = false
+                    $cluster_name = ""
                 fi
             fi
             ;;
@@ -175,7 +175,7 @@ while [ "$#" -gt 0 ]; do
                     show_help
                     exit 1
                 else
-                    $license_key = false
+                    $license_key = ""
                 fi
             fi
             ;;
@@ -187,8 +187,15 @@ while [ "$#" -gt 0 ]; do
     esac
 done
 
-if ["$environment" == "k8s"]; then
+if [ "$environment" = "k8s" ]; then
+    if [ -z "$account_id" ] || [ -z "$api_key" ] || [ -z "$region" ] || [ -z "$cluster_name" ]; then
+        echo "Error: Missing required options for k8s environment"
+        show_help
+        exit 1
+    fi
     setup_k8s
 else
-    echo "$environment not supported yet."
+    echo "Error: $environment is not supported yet."
+    show_allowed_environments
+    exit 1
 fi
\ No newline at end of file