diff --git a/README.md b/README.md
index 609244f..7226574 100644
--- a/README.md
+++ b/README.md
@@ -7,8 +7,8 @@ Incrementally Draw derivation function of deriviation function of function
 Usage: incfunc [OPTIONS]
 
 Options:
-  -o <OPT_LEVEL>      Optimization level [default: 3]
-  -c <CORES>          Number of cores [default: max]
-      --unsafe-mode   Unsave mode (Advanced)
-  -h, --help          Print help
+-o <OPT_LEVEL> Optimization level [default: 3]
+-c <CORES> Number of cores [default: max]
+--unsafe-mode Unsave mode (Advanced)
+-h, --help Print help