Issue with leaf

[batlin]

Everyone, can you please take a look at my grow log,
I have a few issues with one of my plant's leaves and I wanted advice,
This is only my second grow and they (to me) look great and don't want anything bad to happen :)

http://boards.cannabis.com/grow-log/182602-bats-2nd-grow-1st-log.html#post2081717

http://boards.cannabis.com/members/batlin-albums-bat-s-2nd-grow-picture4286-3-23-another-issue-big-bug-leaf.jpg

Thank you all!
Bats

[Bombskeets420]

Hey im a first time grower aswell! But been doing al00t of reading...

Well to me thats what happen to my first plant i grew and ended up beening nute burn. (dont take this a def answer).

Or maybe its overwatering.. just my opnion tho..

Hope u find ur Answer
Good luck!