diff --git a/README.md b/README.md
index be5c216..21ca94f 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # WRPLL simulation
 
-A time domain simulation for WRPLL
+Frequency and time domain simulation for WRPLL
 
 ## Installation
 
@@ -22,14 +22,10 @@ nix develop
 ```
 
 ## Quick start
-- Three notebook examples are included 
-    1. `helper_PLL_example.ipynb` : helper PLL only
-    2. `main_PLL_example.ipynb` : main PLL only with a user specific helper frequency
-    3. `both_PLL_example.ipynb` : main and helper PLL
-
-- RAM usage and execution time estimate for simulation **ONLY**
-
+- The simulation file is located at `src` 
+- RAM usage and execution time estimate for time domain simulation
     - 500,000,000 time steps: 8GiB RAM and 55 seconds
+- Frequency domain doc is also [available](./doc/freqsim.md) 
 
 <br>
 <details><summary><b>WRPLL formulas</b></summary>