More units for pid min and max

README.md

@@ -109,8 +109,8 @@ formatted as line-delimited JSON.
 | `pid <0/1> kp <value>`                     | Set proportional gain                                                         |
 | `pid <0/1> ki <value>`                     | Set integral gain                                                             |
 | `pid <0/1> kd <value>`                     | Set differential gain                                                         |
-| `pid <0/1> output_min <amp>`               | Set mininum output                                                            |
+| `pid <0/1> output_min <amp>`               | Set lower limit of PID-regulated output current in Amperes                    |
-| `pid <0/1> output_max <amp>`               | Set maximum output                                                            |
+| `pid <0/1> output_max <amp>`               | Set upper limit of PID-regulated output current in Amperes                    |
 | `s-h`                                      | Show Steinhart-Hart equation parameters                                       |
 | `s-h <0/1> <t0/b/r0> <value>`              | Set Steinhart-Hart parameter for a channel                                    |
 | `postfilter`                               | Show postfilter settings                                                      |