diff --git a/README.md b/README.md
index 584ffea4d4cb69c9c1250db7b455156973f21847..816090cac92ae4e1f963e99b7a724c663252f9c6 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ The simulations were done using the more conventional cost function definition C
 
 The columns in QAOA_dat_""graph"" number are:
 1. C_max #(optimal solution in maximization formulation)
-2. <C0> #cost of initial state
+2. <C_initial> #cost of initial state
 3. <C_opt> #optimized cost
 4. Pr(C_opt) #optimal solution probability
 5. p #depth parameter