As everyone is saying, this guide needs more BBCoding. A great example by DarkPercy above was shown, but just in case you missed it, I will quote it for you :D :

"You can add images to your guide by writting codes like this: This will appear like this in your guide: Master Yi. You can do that for items, runes and masteries as well.
--> Doran's Ring

You can also make bigger icons appear by writing but try not to put this in the middle of a text because it will make it look vey screwed up.

It will look like this:

You can do that for any icon in the game and you change the size if you want (doesn't have to be 40)"

EDIT: Oops, forgot to say, but nice effort. But no +1 from me until the guide gets more BBcodes and better explanations. :D

Add in some pictures for e.g. the skills, items and such.
This will make your guide way more fun to read and people will upvote it faster.
And put in the option to having to comment when you vote,
this stops trolls.

Great guide but it could use some codes. Also did you include your item build or did i miss it? This shows you have taken your time to make it. Now start improving it. +1 for your effort.

Let's see... first thing is that block of text is really annoying to read after a while. Also greater mark of desolation and greater quintessence of desolation don't have much effect if you dont have other armor penetration item.

The purchuse order on the cheat sheet is umm... pretty useless.
It starts AP then goes off tankish, then DPS and after that just, what the hell??

Some parts are rushed, no alternatives or other choices etc.

Still these are not what caught my eyes, some parts are exact copies from the top Master Yi builds. Like Yi, the master of disaster, your entire items section is copied from that guide! And I'm sure I've seen other parts in other guides aswell... maybe in Yi, the master of disaster, but I'm not going to check the whole thing. You don't give credits to the original writer or anything and totally copy his work? I guess someone has to report this.

Agreed with DarkPercy, the guide, it shows u have taken your time to make it :) and i dont wanna sound too critical, but is hard to read as a whole big text, so you could improve it there.

You can add images to your guide by writting codes like this: [[Master Yi]]. This will appear like this in your guide: Master Yi. You can do that for items, runes and masteries as well.

[[Doran's Ring]] --> Doran's Ring

You can also make bigger icons appear by writing [icon=master yi size=40] but try not to put this in the middle of a text because it will make it look vey screwed up.

It will look like this:

You can do that for any icon in the game and you change the size if you want (doesn't have to be 40)

Can't tell if building AS, AP or tanky.

Can't tell how a Master Yi with 0 damage and 0 resistances is going to win serious games.