Obsidian Comments

Official Documentation: help.obsidian.md

Used to hide text from read mode; one of the additional syntax options in Obsidian Flavored Markdown.

Syntax

You can comment out parts of a document by surrounding the text to comment out with %%. For example: ¹

This sentence is missing a %%word%% in read mode.

%%
This only appears in edit mode.
%%

This results in:
> This sentence is missing a %%word%% in read mode.
>
> %%
> This only appears in edit mode.
> %%