Index: firmware/App/Services/FpgaTD.h
===================================================================
diff -u -ra811cae0392f1d0f976650ff167945e614b3b854 -r8b819deb3e770c981eed221f63170dd842eedbe3
--- firmware/App/Services/FpgaTD.h	(.../FpgaTD.h)	(revision a811cae0392f1d0f976650ff167945e614b3b854)
+++ firmware/App/Services/FpgaTD.h	(.../FpgaTD.h)	(revision 8b819deb3e770c981eed221f63170dd842eedbe3)
@@ -33,9 +33,9 @@
 
 // Bit definitions for pinch valve control register
 #define FPGA_PINCH_VALVES_1_8_STEP                  0x07                        ///< Bit mask for configuring pinch valve for 1/8 step microstepping.
-#define FPGA_PINCH_VALVES_ENABLE_ENCODER            0x00
+#define FPGA_PINCH_VALVES_ENABLE_ENCODER            0x00                        ///< Bit mask for configuring pinch valve enable encoder.
 #define FPGA_PINCH_VALVES_RESET_ENCODER             0x08                        ///< Bit mask for configuring pinch valve to reset the encoder.
-#define FPAG_PINCH_VALVES_ENABLE                    0x00
+#define FPAG_PINCH_VALVES_ENABLE                    0x00                        ///< Bit mask for configuring pinch valve to enable.
 #define FPGA_PINCH_VALVES_DISABLE                   0x10                        ///< Bit mask for configuring pinch valve to be disabled.
 #define FPGA_PINCH_VALVES_RESET                     0x00                        ///< Bit mask for configuring pinch valve to be in reset.
 #define FPGA_PINCH_VALVES_NOT_RESET                 0x20                        ///< Bit mask for configuring pinch valve to not be in reset.