You weren't ready to bet on a bond rally yet at that point, but you had an urge to take profits on stocks. This is re-allocating. For example, some large brokerage houses publicize model portfolios. Some houses stretch them all over the map. But other brokerages make minor changes, never more.
Experts advise sticking with either a fixed or hybrid philosophy.
The whole point of a model is to get away from trying to predict the future. A model keeps you from going along with the market when it's gone too far. A model helps you seek out relative value. That means there is no tax implications from re-balancing. In taxable accounts, you have to pay the tax on your realized gains in that year.