diff --git a/pages/linux/lvextend.md b/pages/linux/lvextend.md
index 53f6305233..00927c66bc 100644
--- a/pages/linux/lvextend.md
+++ b/pages/linux/lvextend.md
@@ -6,12 +6,16 @@
 
 - Increase a volume's size to 120 GB:
 
-`lvextend {{[-L|--size]}} {{120G}} {{logical_volume}}`
+`sudo lvextend {{[-L|--size]}} {{120G}} {{logical_volume}}`
 
 - Increase a volume's size by 40 GB as well as the underlying filesystem:
 
-`lvextend {{[-L|--size]}} +{{40G}} {{[-r|--resizefs]}} {{logical_volume}}`
+`sudo lvextend {{[-L|--size]}} +{{40G}} {{[-r|--resizefs]}} {{logical_volume}}`
 
 - Increase a volume's size to 100% of the free physical volume space:
 
-`lvextend {{[-L|--size]}} +{{100}}%FREE {{logical_volume}}`
+`sudo lvextend {{[-l|--extents]}} +{{100}}%FREE {{logical_volume}}`
+
+- Increase a volume's size to 100% of the free physical volume space and resize the underlying filesystem:
+
+`sudo lvextend {{[-l|--extents]}} +{{100}}%FREE {{[-r|--resizefs]}} {{logical_volume}}`