You should've capped either speed or agility by now, is what he means, I think. You're not focusing on reaching caps before their natural level pushes them over. Since your next level will push the value of your main attributes from .99 to .32, you've just missed the first opportunity to cap a stat and get a skill point of value from natural leveling.
Also I think he thinks you should be working on agility instead of speed first but IMO it shouldn't matter too much since equipment won't be all going into agility or anything.