Update README.md

grbl · Nov 5, 2014 · 429163a · 429163a
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@@ -62,7 +62,7 @@ _Grbl is an open-source project and fueled by the free-time of our intrepid admi
   - **Configurable Real-time Status Reporting:** Users can now customize the type of real-time data Grbl reports back when they issue a '?' status report. This includes data such as: machine position, work position, planner buffer usage, serial RX buffer usage.
   - **Updated Homing Routine:** Sets workspace volume in all negative space regardless of limit switch position. Common on pro CNCs. But, the behavior may be changed by a compile-time option though. Now tied directly into the main planner and stepper modules to reduce flash space and allow maximum speeds during seeking.
   - **Optional Limit Pin Sharing:** Limit switches can be combined to share the same pins to free up precious I/O pins for other purposes. When combined, users must adjust the homing cycle mask in config.h to not home the axes on a shared pin at the same time. Don't worry; hard limits and the homing cycle still work just like they did before.
-  - **Optional Variable Spindle Speed Output:** Available only as a compile-time option through the config.h file. Enables PWM output for 'S' g-code commands. Enabling this feature will swap the Z-limit D11 pin and spindle enable D12 pin to access the hardware PWM on pin D12. The Z-limit pin, now on D12, should work just as it did before.
+  - **Optional Variable Spindle Speed Output:** Available only as a compile-time option through the config.h file. Enables PWM output for 'S' g-code commands. Enabling this feature will swap the Z-limit D11 pin and spindle enable D12 pin to access the hardware PWM on pin D11. The Z-limit pin, now on D12, should work just as it did before.
   - **Additional Compile-Time Feature Options:** Line number tracking, real-time feed rate reporting.
   - **SLATED FOR v1.0 DEVELOPMENT** Jogging controls and feedrate/spindle/coolant overrides. (In v0.9, the framework for feedrate overrides are in-place, only the minor details to complete it have yet to be installed.)