Notice Little Brown Spot on Stem?

Hey fellow farmers .this is my first time on this page love it lots of info....but my ? is iam in day 52 in my grow 4 weeks in to flowering and last night i was just looking over plants look killer..but i noticed a little brown blemish spot on 1 of my stems than saw another little small b rown spot but was dry and kinda hard when i felt it like a bad cut maybe cause plants have like 7 phat kolas all dense phat and nice in color and ph is perfect also iam growing in soil......would send pic but flip camra broke...any help on this would help cause i have never seen this or just not noticed it before in previous grows...could i have made a bad cut and made like a scab on the stem? any and all help on this would be great....philthy phil......:confused:
 
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