Fix typo in adb commandline help
Android developers are not expected to have PDP-11s.
diff --git a/commandline.c b/commandline.c
index 7410dce..548d362 100644
--- a/commandline.c
+++ b/commandline.c
@@ -151,7 +151,7 @@
"\n"
"networking:\n"
" adb ppp <tty> [parameters] - Run PPP over USB.\n"
- " Note: you should not automatically start a PDP connection.\n"
+ " Note: you should not automatically start a PPP connection.\n"
" <tty> refers to the tty for PPP stream. Eg. dev:/dev/omap_csmi_tty1\n"
" [parameters] - Eg. defaultroute debug dump local notty usepeerdns\n"
"\n"