diff --git a/README.md b/README.md
index 98e9bb6..158fd0b 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ pkgmgr install setup-hibernate
 Run the script as root:
 
 ```bash
-sudo ./hibernate_setup.py [OPTIONS]
+sudo ./main.py [OPTIONS]
 ```
 
 ### Options
@@ -51,19 +51,19 @@ sudo ./hibernate_setup.py [OPTIONS]
 Create a 40GB swapfile and configure hibernation interactively:
 
 ```bash
-sudo ./hibernate_setup.py --create-swapfile --swap-size 40
+sudo ./main.py --create-swapfile --swap-size 40
 ```
 
 Preview what would happen without actually doing anything:
 
 ```bash
-sudo ./hibernate_setup.py --create-swapfile --swap-size 40 --preview
+sudo ./main.py --create-swapfile --swap-size 40 --preview
 ```
 
 Non-interactive, suitable for automation:
 
 ```bash
-sudo ./hibernate_setup.py --create-swapfile --swap-size 40 --non-interactive
+sudo ./main.py --create-swapfile --swap-size 40 --non-interactive
 ```
 
 ---
diff --git a/main.py b/main.py
index 0a7ca2b..baf9209 100755
--- a/main.py
+++ b/main.py
@@ -92,13 +92,23 @@ def update_grub(uuid, offset):
     new_lines = lines[:]
     for i, line in enumerate(new_lines):
         if line.startswith("GRUB_CMDLINE_LINUX_DEFAULT"):
+            # Remove existing resume and resume_offset entries
             line = re.sub(r'resume=UUID=\S+', '', line)
             line = re.sub(r'resume_offset=\S+', '', line)
-            new = f'resume=UUID={uuid} resume_offset={offset}'
-            if '"' in line:
-                new_lines[i] = re.sub(r'"$', f' {new}"', line)
+            line = re.sub(r'\s+', ' ', line)  # Clean up extra spaces
+
+            # Safely inject new resume info inside quotes
+            match = re.match(r'^(GRUB_CMDLINE_LINUX_DEFAULT=)(["\'])(.*?)(["\'])$', line.strip())
+            if match:
+                prefix, quote, content, _ = match.groups()
+                content = content.strip()
+                if not content.endswith(' '):
+                    content += ' '
+                content += f'resume=UUID={uuid} resume_offset={offset}'
+                new_lines[i] = f'{prefix}{quote}{content}{quote}\n'
             else:
-                new_lines[i] = line.strip() + f' {new}\n'
+                # If the line format is unexpected, append the resume parameters at the end
+                new_lines[i] = line.strip() + f' resume=UUID={uuid} resume_offset={offset}\n'
             break
 
     if confirm_file_change(GRUB_CONF, new_lines):