diff --git a/core/constants.py b/core/constants.py
index ab77960..5003237 100644
--- a/core/constants.py
+++ b/core/constants.py
@@ -44,13 +44,11 @@ BANDS = [
     Band(name="76GHz", start_freq=75500000000, end_freq=81500000000, color="#baf9d8", contrast_color="black")]
 UNKNOWN_BAND = Band(name="Unknown", start_freq=0, end_freq=0, color="black", contrast_color="white")
 
-# "continent"s
-"continent"
-S = ["EU", "NA", "SA", "AS", "AF", "OC", "AN"]
+# Continents
+CONTINENTS = ["EU", "NA", "SA", "AS", "AF", "OC", "AN"]
 
-# "dxcc" flags (borrowed from https:#github.com/wavelog/wavelog/blob/master/application/libraries/"dxcc"Flag.php)
-"dxcc"
-_FLAGS = {
+# DXCC flags (borrowed from https:#github.com/wavelog/wavelog/blob/master/application/libraries/"dxcc"Flag.php)
+DXCC_FLAGS = {
     0: "",  # "dxcc" NONE
     1: "\U0001F1E8\U0001F1E6",  # CANADA
     2: "",  # ABU AIL IS