diff --git a/Project.toml b/Project.toml
index ebbfe90..a463536 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "InverseIsing"
 uuid = "52c454c7-7088-40af-988f-f8cda9361c5e"
 authors = ["oilneck <yuusei225@gmail.com>"]
-version = "1.0.1"
+version = "1.0.2"
 
 [deps]
 CurveFit = "5a033b19-8c74-5913-a970-47c3779ef25c"
diff --git a/README.md b/README.md
index 4d932df..93ba372 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@ julia> using InverseIsing
 
 julia> h = Dict(1 => -1) # Longitudinal magnetic field
 
-julia> J = Dict((1, 2) => -1) # Ferromagnetic-bond
+julia> J = Dict((1, 2) => 1) # Ferromagnetic-bond
 
 julia> result = anneal(h, J)
 ```