v6.23

+ dietpi.txt | "CONFIG_G_CHECK_URL_RETRY" => "CONFIG_G_CHECK_URL_ATTEMPTS" renaming since it is not the amount of "retries" meaning "1" = 2 attempts overall, but actually the amount of tries/attempts. 
+ dietpi.txt | G_CHECK_URL: Add info about effect of zero values, which are never recommended + minor wording

dietpi.txt

@@ -163,14 +163,16 @@ CONFIG_PROXY_PASSWORD=
 #Delay boot until network is established: 0=disabled | 1=10 second wait max (default) | 2=infinite wait
 CONFIG_BOOT_WAIT_FOR_NETWORK=1
 
-#Change the default timeout, before DietPi G_CHECK_URL assumes the URL is dead. Increase if you have a "flaky" connection or slow DNS resolver.
+#Connection timeout, before DietPi G_CHECK_URL assumes the URL is dead. Increase if you have a "flaky" connection or slow DNS resolver.
+#    NB: Set this to "0" to allow unlimited time, however this is not recommended to avoid unlimited hanging background scripts, e.g. daily DietPi update check.
 CONFIG_G_CHECK_URL_TIMEOUT=5
-#   Retry count: How many tries to check the URL before assuming URL is dead.
-CONFIG_G_CHECK_URL_RETRY=3
+#Connection attempts with above timeout each, before DietPi G_CHECK_URL is giving up and prompts an error.
+#    NB: Set this to "0" to disable URL checking completely, however this is not recommended to avoid harder to debug follow-up errors during APT and download attempts.
+CONFIG_G_CHECK_URL_ATTEMPTS=3
 
 #DietPi checks for updates (allows dietpi to check for updates on a daily basis and boot using a <1kb file download.)
 CONFIG_CHECK_DIETPI_UPDATES=1
-#	Optional: Automatically update DietPi when updates are available. | requires CONFIG_CHECK_DIETPI_UPDATES=1
+#    Optional: Automatically update DietPi when updates are available. | requires CONFIG_CHECK_DIETPI_UPDATES=1
 CONFIG_AUTO_DIETPI_UPDATES=0
 
 #NTPD Update Mode: 0=disabled | 1=boot only | 2=boot + daily | 3=boot + hourly | 4=Daemon + Drift