On the [Tulsa, Oklahoma VFR sectional](http://skyvector.com/?ll=36.186880306392254,-95.88262939757304&chart=301&zoom=1) the top of the outer Class C ring says "OBJECTIONABLE". Does this indicate some information on the chart is in dispute? I don't see anything in the VFR chart legend or side panels about the meaning. 

![enter image description here](https://i.stack.imgur.com/q6gna.jpg)