diff --git a/tools/hcitool.c b/tools/hcitool.c
index 0bd416f..cbd32f3 100644
--- a/tools/hcitool.c
+++ b/tools/hcitool.c
"Usage:\n"
"\tlecup <handle> <min> <max> <latency> <timeout>\n"
"\tOptions:\n"
- "\t -H, --handle <0xXXXX> LE connection handle\n"
- "\t -m, --min <interval> Range: 0x0006 to 0x0C80\n"
- "\t -M, --max <interval> Range: 0x0006 to 0x0C80\n"
- "\t -l, --latency <range> Slave latency. Range: 0x0000 to 0x03E8\n"
- "\t -t, --timeout <time> N * 10ms. Range: 0x000A to 0x0C80\n"
+ "\t --handle=<0xXXXX> LE connection handle\n"
+ "\t --min=<interval> Range: 0x0006 to 0x0C80\n"
+ "\t --max=<interval> Range: 0x0006 to 0x0C80\n"
+ "\t --latency=<range> Slave latency. Range: 0x0000 to 0x03E8\n"
+ "\t --timeout=<time> N * 10ms. Range: 0x000A to 0x0C80\n"
"\n\t min/max range: 7.5ms to 4s. Multiply factor: 1.25ms"
"\n\t timeout range: 100ms to 32.0s. Larger than max interval\n";