diff --git a/doc/advopt.txt b/doc/advopt.txt
index 9a9dab7e02..b88e5f0637 100644
--- a/doc/advopt.txt
+++ b/doc/advopt.txt
@@ -16,7 +16,7 @@ Advanced commands:
   //check                   checks the project for syntax and semantic
 
 Advanced options:
-  -o, --out:FILE            set the output filename
+  -o:FILE, --out:FILE       set the output filename
   --stdout                  output to stdout
   --colors:on|off           turn compiler messages coloring on|off
   --listFullPaths           list full paths in messages