It was more the centered text that was against the guidelines. All signatures need to be formatted to the left.

Did you look up Fertility Friend (FF) - it really is such a great resource for those getting into temping. Because it does a lot of the interpretation for you. I am in no way a FF expert but I did chart for 2 months prior to my current (and first) pg and I have long cycles so it was a while of charting so am happy to try to answer any questions if I am able to