diff --git a/readme.txt b/readme.txt
index af54ca1d5..bf2929e55 100644
--- a/readme.txt
+++ b/readme.txt
@@ -21,11 +21,12 @@ Compiling
 Usage
 
   The syntax is:
-      cppcheck [--all] [--style] filename.cpp
+      cppcheck [--all] [--style] [--recursive] [filename1] [filename2]
 
   The error messages will be printed to stderr.
 
-
+  Example (Check all files. Use all checks):
+      cppcheck -style --all --recursive
 
 
 Recommendations