diff --git a/envs/monkey_zoo/blackbox/island_configs/SMB_MIMIKATZ.conf b/envs/monkey_zoo/blackbox/island_configs/SMB_MIMIKATZ.conf
index aeb99ebc8..b5ef8b2cd 100644
--- a/envs/monkey_zoo/blackbox/island_configs/SMB_MIMIKATZ.conf
+++ b/envs/monkey_zoo/blackbox/island_configs/SMB_MIMIKATZ.conf
@@ -1,4 +1,4 @@
-monkey.conf{
+{
   "basic": {
     "credentials": {
       "exploit_password_list": [
@@ -108,8 +108,7 @@ monkey.conf{
       "PBA_windows_filename": "",
       "custom_PBA_linux_cmd": "",
       "custom_PBA_windows_cmd": "",
-      "post_breach_actions": [
-      ]
+      "post_breach_actions": []
     },
     "system_info": {
       "system_info_collector_classes": [
diff --git a/envs/monkey_zoo/blackbox/island_configs/TUNNELING.conf b/envs/monkey_zoo/blackbox/island_configs/TUNNELING.conf
index af2f95e1e..cd00dcb09 100644
--- a/envs/monkey_zoo/blackbox/island_configs/TUNNELING.conf
+++ b/envs/monkey_zoo/blackbox/island_configs/TUNNELING.conf
@@ -6,7 +6,7 @@
         "3Q=(Ge(+&w]*",
         "`))jU7L(w}",
         "t67TC5ZDmz",
-        "12345678",
+        "12345678"
       ],
       "exploit_user_list": [
         "Administrator",
diff --git a/envs/monkey_zoo/blackbox/island_configs/WMI_PTH.conf b/envs/monkey_zoo/blackbox/island_configs/WMI_PTH.conf
index 12a02ad91..8a65f812c 100644
--- a/envs/monkey_zoo/blackbox/island_configs/WMI_PTH.conf
+++ b/envs/monkey_zoo/blackbox/island_configs/WMI_PTH.conf
@@ -12,7 +12,7 @@
     },
     "exploiters": {
       "exploiter_classes": [
-        "WmiExploiter",
+        "WmiExploiter"
       ]
     }
   },