3 files changed, 3 insertions, 3 deletions
diff --git a/apps/examples/buttons/Kconfig b/apps/examples/buttons/Kconfig
index d145867fc..104cbe002 100644
--- a/apps/examples/buttons/Kconfig
+++ b/apps/examples/buttons/Kconfig
@@ -18,7 +18,7 @@ config EXAMPLES_BUTTONS_MAX
 int "Highest Button Number"
 default 7
 
-if ARCH_IRQBUTTONS 
+if ARCH_IRQBUTTONS
 config EXAMPLES_IRQBUTTONS_MIN
 int "Lowest Interrupting Button Number"
 default 0
diff --git a/apps/examples/buttons/Makefile b/apps/examples/buttons/Makefile
index a2e8679d4..b7e4965df 100644
--- a/apps/examples/buttons/Makefile
+++ b/apps/examples/buttons/Makefile
@@ -68,7 +68,7 @@ STACKSIZE	= 2048
 
 # Common build
 
-VPATH		= 
+VPATH		=
 
 all: .built
 .PHONY: context clean depend distclean
diff --git a/apps/examples/buttons/buttons_main.c b/apps/examples/buttons/buttons_main.c
index ab17cb5bc..04db19068 100644
--- a/apps/examples/buttons/buttons_main.c
+++ b/apps/examples/buttons/buttons_main.c
@@ -297,7 +297,7 @@ static void show_buttons(uint8_t oldset, uint8_t newset)
             }
           else
             {
-              state = "released";            
+              state = "released";
             }
 
           /* Use lowsyslog() because we make be executing from an