diff --git a/firmware/config/boards/hellen/hellen121nissan/prepend.txt b/firmware/config/boards/hellen/hellen121nissan/prepend.txt
index 66045a7623..84041b9b71 100644
--- a/firmware/config/boards/hellen/hellen121nissan/prepend.txt
+++ b/firmware/config/boards/hellen/hellen121nissan/prepend.txt
@@ -1,3 +1,5 @@
+#define MAIN_HELP_URL "https://rusefi.com/s/hellen121nissan"
+
 #define ts_show_hip9011 false
 #define ts_show_cj125 false
 
diff --git a/firmware/config/boards/hellen/hellen64_miataNA6_94/prepend.txt b/firmware/config/boards/hellen/hellen64_miataNA6_94/prepend.txt
index e0b8ffbdb4..205fcc05ba 100644
--- a/firmware/config/boards/hellen/hellen64_miataNA6_94/prepend.txt
+++ b/firmware/config/boards/hellen/hellen64_miataNA6_94/prepend.txt
@@ -1,3 +1,5 @@
+#define MAIN_HELP_URL "https://rusefi.com/s/hellenNA6"
+
 #define ts_show_hip9011 false
 #define ts_show_cj125 false
 
diff --git a/firmware/config/boards/microrusefi/prepend.txt b/firmware/config/boards/microrusefi/prepend.txt
index ca89f8a97b..6bb965453d 100644
--- a/firmware/config/boards/microrusefi/prepend.txt
+++ b/firmware/config/boards/microrusefi/prepend.txt
@@ -1,3 +1,5 @@
+#define MAIN_HELP_URL "https://rusefi.com/s/hellen121nissan"
+
 #define ts_show_hip9011 false
 #define ts_show_cj125 false
 
diff --git a/firmware/integration/rusefi_config.txt b/firmware/integration/rusefi_config.txt
index 0e775936f1..74cf0562bf 100644
--- a/firmware/integration/rusefi_config.txt
+++ b/firmware/integration/rusefi_config.txt
@@ -93,6 +93,7 @@ struct_no_prefix engine_configuration_s
 #define SERVO_COUNT 8
 
 #define CONSOLE_DATA_PROTOCOL_TAG " @"
+#define MAIN_HELP_URL "http://www.rusefi.com/"
 
 #define ETB_BIAS_CURVE_LENGTH 8
 
diff --git a/firmware/tunerstudio/rusefi.input b/firmware/tunerstudio/rusefi.input
index 4f31e1532a..e79daa2fec 100644
--- a/firmware/tunerstudio/rusefi.input
+++ b/firmware/tunerstudio/rusefi.input
@@ -3582,7 +3582,7 @@ cmd_set_engine_type_default					= "@@TS_IO_TEST_COMMAND_char@@\x00\x31\x00\x00"
 
 
        help = helpGeneral, "rusEFI General Help"
-        webHelp = "http://www.rusefi.com/"
+        webHelp = "@@MAIN_HELP_URL@@"
         text = "<img src='https://rusefi.com/style/logo_100.gif'>"
 
 	dialog = gppwm1left, ""