diff --git a/README.md b/README.md
index 46185d2..1cd3d79 100644
--- a/README.md
+++ b/README.md
@@ -8,11 +8,13 @@ Time domain Acoustic wave equation
 
 Forward modeling is treated with sponge and PML boundary conditions
 
-To come
--------
+To come (We are welcome anyone who want work with us)
+-----------------------------------------------------
 
 a. Frequency domain forward modelings
 
 b. Elastic wave equation
 
+c. Inversion agorithms
+