diff --git a/ports/atmel-samd/Makefile b/ports/atmel-samd/Makefile
index f0847de2fe..4bcbb5cf83 100644
--- a/ports/atmel-samd/Makefile
+++ b/ports/atmel-samd/Makefile
@@ -168,8 +168,8 @@ CFLAGS += \
 	-mcpu=cortex-m0plus \
 	-msoft-float \
 	-mfloat-abi=soft \
-	-DSAMD21
-        -flto-partition=one
+	-DSAMD21 \
+	-flto-partition=one
 endif
 ifeq ($(CHIP_FAMILY), samd51)
 CFLAGS += \
diff --git a/py/circuitpy_mpconfig.mk b/py/circuitpy_mpconfig.mk
index aedd96014b..e42f844e34 100644
--- a/py/circuitpy_mpconfig.mk
+++ b/py/circuitpy_mpconfig.mk
@@ -57,8 +57,7 @@ CFLAGS += -DMICROPY_PY_USELECT_SELECT=$(MICROPY_PY_USELECT_SELECT)
 CIRCUITPY_AESIO ?= $(CIRCUITPY_FULL_BUILD)
 CFLAGS += -DCIRCUITPY_AESIO=$(CIRCUITPY_AESIO)
 
-# TODO: CIRCUITPY_ALARM will gradually be added to
-# as many ports as possible
+# TODO: CIRCUITPY_ALARM will gradually be added to as many ports as possible
 # so make this 1 or CIRCUITPY_FULL_BUILD eventually
 CIRCUITPY_ALARM ?= 0
 CFLAGS += -DCIRCUITPY_ALARM=$(CIRCUITPY_ALARM)