diff --git a/README.md b/README.md
index c3a240e..5444c99 100644
--- a/README.md
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@@ -44,9 +44,19 @@ Of course, this project has absolutely no pretension to replace any state-of-the
## Usage
-Start a command prompt and use the following syntax:
-`Aplos.exe -t {TARGET PROGRAM} -i {INPUT FOLDER} -e {EXTENSIONS} -D (OPTIONAL) {DELAY TIMEOUT}`
-
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+Start the fuzzer using the following syntax:
+```sh
+Aplos.exe -t {TARGET PROGRAM} -i {INPUT FOLDER} -e {EXTENSIONS} -D (OPTIONAL) {DELAY TIMEOUT}`
+```
+* `-t, --target`: The path the target program you want to fuzz.
+* `-i, --input`: The input folder containing your testcases.
+* `-e, --extension`: The extensions your mutated file should use.
+* `-D, --delay`: The delay in ms for the target program to be executed then close (default = 1000).
## Going further
As explained in this documentation, this tool is meant to be educative and help researchers learn and enjoy playing with fuzzers.