diff --git a/README.md b/README.md
index 44ad3bc6a..559d823c8 100644
--- a/README.md
+++ b/README.md
@@ -142,11 +142,11 @@ Provides definitions/modules to build cores (bus, bank, flow), cores and tools t
 ```sh
 $ wget https://raw.githubusercontent.com/enjoy-digital/litex/master/litex_setup.py
 $ chmod +x litex_setup.py
-$ ./litex_setup.py init install --user (--user to install to user directory)
+$ ./litex_setup.py --init --install --user (--user to install to user directory)
 ```
   Later, if you need to update all repositories:
 ```sh
-$ ./litex_setup.py update
+$ ./litex_setup.py --update
 ```
 
 > **Note:** On MacOS, make sure you have [HomeBrew](https://brew.sh) installed. Then do, ``brew install wget``.
@@ -156,7 +156,7 @@ $ ./litex_setup.py update
 3. Install a RISC-V toolchain (Only if you want to test/create a SoC with a CPU):
 ```sh
 $ pip3 install meson ninja
-$ ./litex_setup.py gcc
+$ ./litex_setup.py --gcc=riscv
 ```
 
 4. Build the target of your board...: