diff --git a/src/main.h b/src/main.h
index 6daa5ac..7a357f9 100644
--- a/src/main.h
+++ b/src/main.h
@@ -8,10 +8,10 @@ typedef long double   wattage_t;
 typedef unsigned long interval_t;
 
 int parse_arguments(const int argc, const char *const *const argv,
-                    price_t * const price, wattage_t * const wattage, interval_t * const interval);
+                    price_t *const price, wattage_t *const wattage, interval_t *const interval);
 
-inline interval_t interval_to_seconds(const char * const interval);
-inline price_t    price_to_wattspersecond(const price_t price);
+inline interval_t interval_to_seconds(const char *const interval);
+inline price_t    price_kwh_to_wattspersecond(const price_t price);
 
 inline void print_version();
 inline void print_usage();