Fix language tag

content/posts/how-to-configure-vim-for-writing/index.org

@@ -34,9 +34,9 @@ Most Vim configurations are done in the user's =~/.vimrc= file, which applies to
 
 Inside this file, add the following:
 
-#+begin_example
+#+begin_src vim
 setlocal linebreak
-#+end_example
+#+end_src
 
 We want to use =setlocal= (or its shorthand =setl=) over the usual =set= because this only sets =linebreak= on the current buffer. If we have multiple files open in Vim, we want to make sure that this setting only applies to open Markdown files.