diff --git a/src/hello_world.md b/src/hello_world.md
index 02fad88..576fbae 100644
--- a/src/hello_world.md
+++ b/src/hello_world.md
@@ -9,7 +9,7 @@ echo "Hello World"
 To compile and execute the program, the following command should be run
 
 ```
-$ nimrod c -r ./helloworld.nim
+$ nimrod c -r --verbosity:0 ./helloworld.nim
 Hello World
 ```
 
@@ -17,4 +17,5 @@ The command has several elements:
 
 * `c` is an alias for `compile`, which compiles the Nimrod sources into C and then invokes the C compiler on them
 * `-r` is an alias for `--run`, which runs the program
+* `--verbosity:0` makes the compiler only output essential messages, since by default it also outputs some debugging messages. From now on, we assume that `--verbosity:0` is set
 * `./helloworld.nim` is the path to the source you want to compile
\ No newline at end of file