Add more detail to usage description

The usage description was good, but it didn't state how to start the application. To most veteran node users this would be self explanatory, but to others this may be difficult to work out.

1 files changed, 8 insertions, 0 deletions

diff --git a/README.md b/README.md
index dd86992..4dbeff5 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,14 @@ $ npm install gtop -g
 
 ### Usage
 
+Start gtop with the `gtop` command
+
+```sh
+$ gtop
+```
+
+To stop gtop, use `ctrl+c` in most shell environments.
+
 You can sort the process table by pressing
 
 * `p`: Process Id