[vim/en] Replace Command Mode with Normal Mode (#4563)

vim.html.markdown

@@ -98,17 +98,17 @@ that aims to make getting started with vim more approachable!
 
 Vim is based on the concept on **modes**.
 
-- Command Mode - vim starts up in this mode, used to navigate and write commands
-- Insert Mode  - used to make changes in your file
-- Visual Mode  - used to highlight text and do operations to them
-- Ex Mode      - used to drop down to the bottom with the ':' prompt to enter commands
+- Normal Mode - vim starts up in this mode, used to navigate and write commands
+- Insert Mode - used to make changes in your file
+- Visual Mode - used to highlight text and do operations to them
+- Ex Mode     - used to drop down to the bottom with the ':' prompt to enter commands
 
 ```
     i                 # Puts vim into insert mode, before the cursor position
     a                 # Puts vim into insert mode, after the cursor position
     v                 # Puts vim into visual mode
     :                 # Puts vim into ex mode
-    <esc>             # 'Escapes' from whichever mode you're in, into Command mode
+    <esc>             # 'Escapes' from whichever mode you're in, into Normal mode
 
     # Copying and pasting text
                       # Operations use the vim register by default