diff --git a/README.md b/README.md
index 4bf275b..f474c72 100644
--- a/README.md
+++ b/README.md
@@ -144,7 +144,7 @@ If you wish to run the baseline agent used in our paper, you can execute the fol
 
 Set **OPENAI_API_KEY** environment variable with your API key
 ```bash
-export OPENAI_API_KEY='changme'
+export OPENAI_API_KEY='changeme'
 ```
 
 ```bash
diff --git a/desktop_env/providers/virtualbox/manager.py b/desktop_env/providers/virtualbox/manager.py
index 475620a..b407ac8 100644
--- a/desktop_env/providers/virtualbox/manager.py
+++ b/desktop_env/providers/virtualbox/manager.py
@@ -33,10 +33,10 @@ if platform.system() == 'Windows':
     os.environ["PATH"] += os.pathsep + vboxmanage_path
 
 
-def generate_new_vm_name(vms_dir):
+def generate_new_vm_name(vms_dir, os_type):
     registry_idx = 0
     while True:
-        attempted_new_name = f"Ubuntu{registry_idx}"
+        attempted_new_name = f"{os_type}{registry_idx}"
         if os.path.exists(
                 os.path.join(vms_dir, attempted_new_name, attempted_new_name, attempted_new_name + ".vbox")):
             registry_idx += 1
@@ -428,7 +428,10 @@ class VirtualBoxVMManager(VMManager):
                         free_vms.append((vm_path, pid_str))
             return free_vms
 
-    def get_vm_path(self, region=None):
+    def get_vm_path(self, os_type, region=None):
+        if os_type != "Ubuntu":
+            raise ValueError("Only support Ubuntu for now.")
+
         with self.lock:
             if not VirtualBoxVMManager.checked_and_cleaned:
                 VirtualBoxVMManager.checked_and_cleaned = True
@@ -448,7 +451,7 @@ class VirtualBoxVMManager(VMManager):
             
         if allocation_needed:
             logger.info("No free virtual machine available. Generating a new one, which would take a while...☕")
-            new_vm_name = generate_new_vm_name(vms_dir=VMS_DIR)
+            new_vm_name = generate_new_vm_name(vms_dir=VMS_DIR, os_type=os_type)
             new_vm_path = _install_vm(new_vm_name, vms_dir=VMS_DIR,
                                     downloaded_file_name=DOWNLOADED_FILE_NAME,
                                     bridged_adapter_name=region)