diff --git a/tools/python/maps_generator/__main__.py b/tools/python/maps_generator/__main__.py
index 52254e5b18..4cb2c74c58 100644
--- a/tools/python/maps_generator/__main__.py
+++ b/tools/python/maps_generator/__main__.py
@@ -58,7 +58,8 @@ def parse_options():
         "--without_countries",
         type=str,
         default="",
-        help="List of countries/regions to exclude from generation. Syntax is the same as for --countries.",
+        help="List of countries/regions to exclude from generation. "
+        "Has a priority over --countries and uses the same syntax.",
     )
     parser.add_argument(
         "--skip",
@@ -127,13 +128,6 @@ def main():
             )
         build_name = d
 
-    # Processing of 'countries' option.
-    # There is processing 'countries' and 'without_countries' options.
-    # Option 'without_countries' has more priority than 'countries'.
-    # Options 'countries' and 'without_countries' can include '*'.
-    # For example: '--countries="UK*, Japan"*' means
-    # '--countries="UK_England_East Midlands, UK_England_East of England_Essex, ...,
-    # Japan_Chubu Region_Aichi_Nagoya, Japan_Chubu Region_Aichi_Toyohashi, ..."'.
     countries_line = ""
     without_countries_line = ""
     if "COUNTRIES" in os.environ:
diff --git a/tools/python/maps_generator/generator/settings.py b/tools/python/maps_generator/generator/settings.py
index ed2223de3f..391a2c9430 100644
--- a/tools/python/maps_generator/generator/settings.py
+++ b/tools/python/maps_generator/generator/settings.py
@@ -49,7 +49,7 @@ class CfgReader:
         3. From default values.
 
     For using the option from system env you can build an option name as
-    MM__ + [SECTION_NAME] + _ + [VALUE_NAME].
+    MM__GEN__ + [SECTION_NAME] + _ + [VALUE_NAME].
     """
 
     def __init__(self, default_settings_path: AnyStr):
@@ -72,7 +72,6 @@ class CfgReader:
 
 
 DEFAULT_PLANET_URL = "https://planet.openstreetmap.org/pbf/planet-latest.osm.pbf"
-DEFAULT_PLANET_MD5_URL = md5_ext(DEFAULT_PLANET_URL)
 
 # Main section:
 # If DEBUG is True, a little special planet is downloaded.
@@ -106,7 +105,6 @@ LOG_FILE_PATH = os.path.join(MAIN_OUT_PATH, "generation.log")
 
 # External resources section:
 PLANET_URL = DEFAULT_PLANET_URL
-PLANET_MD5_URL = DEFAULT_PLANET_MD5_URL
 PLANET_COASTS_URL = ""
 UGC_URL = ""
 HOTELS_URL = ""
@@ -278,7 +276,7 @@ def init(default_settings_path: AnyStr):
     global ISOLINES_PATH
 
     PLANET_URL = cfg.get_opt_path("External", "PLANET_URL", PLANET_URL)
-    PLANET_MD5_URL = cfg.get_opt_path("External", "PLANET_MD5_URL", PLANET_MD5_URL)
+    PLANET_MD5_URL = cfg.get_opt_path("External", "PLANET_MD5_URL", md5_ext(PLANET_URL))
     PLANET_COASTS_URL = cfg.get_opt_path(
         "External", "PLANET_COASTS_URL", PLANET_COASTS_URL
     )
diff --git a/tools/python/maps_generator/var/etc/map_generator.ini.default b/tools/python/maps_generator/var/etc/map_generator.ini.default
index 4dbd6e4b6f..1980e5f528 100644
--- a/tools/python/maps_generator/var/etc/map_generator.ini.default
+++ b/tools/python/maps_generator/var/etc/map_generator.ini.default
@@ -40,9 +40,9 @@ LOG_FILE_PATH: ${Main:MAIN_OUT_PATH}/generation.log
 
 
 [External]
-# Planet file location. It should be a dump of OSM data in osm.pbf format,
-# either an entire planet (from "planet.openstreetmap.org") or a particular
-# country/region extract from e.g. [Geofabrik](http://download.geofabrik.de/index.html).
+# Planet file location. It should be a dump of OSM data in osm.pbf format.
+# By default its an entire planet from "planet.openstreetmap.org".
+# Or set it to a particular country/region extract from e.g. [Geofabrik](http://download.geofabrik.de/index.html).
 # Note that an entire planet generation takes 40+ hours on a 256GB RAM server (and 1TB+ disk space).
 # Stick to smaller extracts unless you have a machine this large.
 # Here and further, its possible to specify either an URL (to be downloaded automatically)
@@ -50,16 +50,15 @@ LOG_FILE_PATH: ${Main:MAIN_OUT_PATH}/generation.log
 # A sample URL to download a latest OSM dump for North Macedonia:
 PLANET_URL: https://download.geofabrik.de/europe/macedonia-latest.osm.pbf
 # Location of the md5 checksum of the planet file:
-PLANET_MD5_URL: https://download.geofabrik.de/north-america/canada/yukon-latest.osm.pbf.md5
+PLANET_MD5_URL: ${External:PLANET_URL}.md5
 # A base url to the latest_coasts.geom and latest_coasts.rawgeom files.
 # For example, if PLANET_COASTS_URL = https://somesite.com/download/
 # then the https://somesite.com/download/latest_coasts.geom url will be used to download latest_coasts.geom and
 # the https://somesite.com/download/latest_coasts.rawgeom url will be used to download latest_coasts.rawgeom.
 # Comment to skip getting the coastlines files.
 # PLANET_COASTS_URL:
-# Set to 'true' to build a special routing section in World.mwm
+# Should be 'true' for an entire planet build to make a special routing section in World.mwm
 # for alerting about absent regions without which the route can't be built.
-# This should be true for any non-planet build.
 NEED_BUILD_WORLD_ROADS: false
 # Subway file location, see docs/SUBWAY_GENERATION.md if you want to generate your own file.
 # Comment to disable subway layer generation.