diff --git a/.vscode/launch.json-fast b/.vscode/launch.json-fast
index 2acecef..e61bb8f 100644
--- a/.vscode/launch.json-fast
+++ b/.vscode/launch.json-fast
@@ -10,7 +10,7 @@
             "servertype": "external",
             // This may need to be arm-none-eabi-gdb depending on your system
             "gdbPath" : "gdb-multiarch",
-	    "gdbTarget" : "/dev/ttyACM2",
+	    "gdbTarget" : "/dev/ttyACM0",
             "device": "RP2040",
             "configFiles": [
                 "interface/picoprobe.cfg",
@@ -29,7 +29,10 @@
 	    // immediately after flashing. This means that by the time any ram based
 	    // breakpoints are applied the relevant stuff is in RAM.
 	    "postLaunchCommands": [
-		"break main", "continue", "clear main",
+		"break main", 
+		"continue",
+		"shell sleep 1",
+		"clear main",
 //		"monitor get_to_main"
 	    ],
             // With breakAfterReset we have a consistent approach so can use the same
@@ -38,6 +41,7 @@
 //		  "monitor get_to_main"
 		"break main",
 		"continue",
+		"shell sleep 1",
 		"clear main"
             ]
 
diff --git a/README.md b/README.md
index 3014294..1940550 100644
--- a/README.md
+++ b/README.md
@@ -146,3 +146,21 @@ I'll try to keep a reasonably up-to-date pico-debug.uf2 file around, but I'll on
 The other project I'm working on already has nice and stable ethernet (rmii) and PoE, and I think a debugger with ethernet and poe would be really nice ... so I may look at that, although I do need to get back to that first project ... that's why I created this!
 
 Any comments welcome ... but please bear in mind I do this for fun, I'm not an expert, lots of things will be wrong.
+
+## FAQ
+
+### Permission denied on /dev/ttyACM0,ttyACM1,ttyACM2
+
+You can add a udev-rule for this with like /etc/udev/rules.d/99-pico-debug.rules:
+```
+ACTION!="add|change", GOTO="pico_debug_end"
+SUBSYSTEM!="usb|tty|hidraw", GOTO="pico_debug_end"
+
+# fast picoprobe
+ATTRS{idVendor}=="3333", ATTRS{idProduct}=="1111", MODE="664", GROUP="plugdev"
+```
+
+Reload the config with:
+```
+udevadm control -R
+```