diff --git a/Modem/afsk.c b/Modem/afsk.c
index cc4b97f..d359efc 100644
--- a/Modem/afsk.c
+++ b/Modem/afsk.c
@@ -83,7 +83,7 @@ INLINE uint8_t sinSample(uint16_t i) {
 #define PHASE_BITS    8
 #define PHASE_INC    1 										// FIXME: originally 1
 #define PHASE_MAX    (SAMPLESPERBIT * PHASE_BITS)
-#define PHASE_THRESHOLD  (PHASE_MAX / 4) + (PHASE_MAX / 8)  // FIXME: originally /2
+#define PHASE_THRESHOLD  (PHASE_MAX / 4)  // FIXME: originally /2
 
 // Modulation constants
 #define MARK_FREQ  1200
@@ -348,7 +348,7 @@ void afsk_adc_isr(Afsk *afsk, int8_t currentSample) {
 		}
 	}
 
-	// We incroment our phase counter
+	// We increment our phase counter
 	afsk->currentPhase += PHASE_BITS;
 
 	// Check if we have reached the end of
diff --git a/Modem/main.c b/Modem/main.c
index b901411..6b88dd6 100644
--- a/Modem/main.c
+++ b/Modem/main.c
@@ -103,7 +103,7 @@ int main(void)
 			// and the byte is not a "transmit" (newline) character,
 			// we should store it for transmission.
 			if ((serialLen < MP1_MAX_FRAME_LENGTH) && (sbyte != 138)) {
-				kprintf("Byte: %d\n", sbyte);
+				//kprintf("Byte: %d\n", sbyte); // FIXME: delete
 				// Put the read byte into the buffer;
 				serialBuffer[serialLen] = sbyte;
 				// Increment the read length counter
diff --git a/buildrev.h b/buildrev.h
index e674206..bf98b44 100644
--- a/buildrev.h
+++ b/buildrev.h
@@ -1,2 +1,2 @@
-#define VERS_BUILD 477
+#define VERS_BUILD 480
 #define VERS_HOST  "vixen"