data-scayt_word come automatic

Hi All,

I am using the CKEditor 3.x,
from last few days i am facing following problem

When i am going to enter the some text with strong tag, for example
<strong>$#rajesh</strong>

when it save in database table then it will save like this
<strong><span data-scayt_word="rajesh" data-scaytid="12">$#</span>rajesh</strong>

<span data-scayt_word="rajesh" data-scaytid="12"> how this come up ,

i am confused, is any solution?

Thanks