Little more info about choosing a baker

Author: timothymcmackin

docs/using/staking.md

@@ -68,10 +68,14 @@ The staking app shows your account balance and how much you have staked.
 1. Click **Select Baker** and select a baker to delegate and stake to.
 
    To choose a baker, you can look up bakers in a block explorer by their addresses.
-   For example, the block explorer tzkt.io has information on bakers at https://tzkt.io/bakers.
-   This page shows information about staking and delegating with each baker, including the fees they charge and their capacity.
+   For example, the block explorer tzkt.io has information on bakers at https://tzkt.io/bakers and tzstats.com has information at https://tzstats.com/bakers.
+   Evaluate bakers by comparing information about them, including:
+
+   - The fees they charge (commission) on staked funds
+   - Their capacity for additional staked funds (free space)
+   - How reliable they are as a baker (how often they bake blocks when they have the opportunity)
+   - Whether they have been penalized (slashed)
 
-   Before choosing a baker, look at the fees they charge and ensure that they have enough free space for the amount of tez you intend to stake.
    For example, the bakers in this picture all have free space for staking:
 
    <img alt="The TzKT block explorer, showing bakers with different capacities for staking" src="/img/using/staking-capacity.png" style={{width: 500}} />