1 files changed, 10 insertions, 2 deletions
diff --git a/README.md b/README.md
index 040e3ea..d7a7d7f 100644
--- a/README.md
+++ b/README.md
@@ -1,18 +1,26 @@
 work in progress
 
 build, install, and run using `make`:
-```
+```sh
 make
 sudo make install
 remote_plot
 ```
 
 build and run without make:
-```
+```sh
 cc -Wall $(pkg-config --cflags --libs libssh plplot gtk4) -lm -o remote_plot remote_plot.c
 ./remote_plot
 ```
 
+usage
+```sh
+# use default ssh destination
+./remote_plot
+# use another ssh destination
+./remote_plot -d 10.0.0.7
+```
+
 infrastructure configs not included yet:
 - raspberry pi:
     - /etc/wireguard/wg0.conf wireguard config