diff --git a/CHANGELOG.md b/CHANGELOG.md
index e64db9a..08db2e4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -22,6 +22,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - `function1_str` attribute
 - `function2_str` attribute
 ### Changed
+- `README.md` updated
 - `plot` section added to data file
 - `edgecolor` changed to `c` in `plot` method
 - `config` parameter added to GenerativeImage `__init__`
diff --git a/README.md b/README.md
index c0fc422..dcb704e 100644
--- a/README.md
+++ b/README.md
@@ -114,13 +114,13 @@ Samila is a generative art generator written in Python, Samila let's you create
 ```pycon
 >>> import random
 >>> import math
->>> def f1(x,y):
+>>> def f1(x, y):
     result = random.uniform(-1,1) * x**2  - math.sin(y**2) + abs(y-x)
     return result
->>> def f2(x,y):
+>>> def f2(x, y):
     result = random.uniform(-1,1) * y**3 - math.cos(x**2) + 2*x
     return result
->>> g = GenerativeImage(f1,f2)
+>>> g = GenerativeImage(f1, f2)
 >>> g.generate()
 >>> g.plot()
 >>> g.seed
@@ -132,7 +132,7 @@ Samila is a generative art generator written in Python, Samila let's you create
 ### Projection
 ```pycon
 >>> from samila import Projection
->>> g = GenerativeImage(f1,f2)
+>>> g = GenerativeImage(f1, f2)
 >>> g.generate()
 >>> g.plot(projection=Projection.POLAR)
 >>> g.seed
@@ -146,8 +146,8 @@ Samila is a generative art generator written in Python, Samila let's you create
 
 ### Range
 ```pycon
->>> g = GenerativeImage(f1,f2)
->>> g.generate(start = -2*math.pi,step=0.1,stop=0)
+>>> g = GenerativeImage(f1, f2)
+>>> g.generate(start=-2*math.pi, step=0.01, stop=0)
 >>> g.plot()
 >>> g.seed
 234752
@@ -157,9 +157,9 @@ Samila is a generative art generator written in Python, Samila let's you create
 
 ### Color
 ```pycon
->>> g = GenerativeImage(f1,f2)
+>>> g = GenerativeImage(f1, f2)
 >>> g.generate()
->>> g.plot(color="yellow",bgcolor="black",projection=Projection.POLAR)
+>>> g.plot(color="yellow", bgcolor="black", projection=Projection.POLAR)
 >>> g.seed
 1018273
 >>> plt.show()
@@ -171,7 +171,7 @@ Samila is a generative art generator written in Python, Samila let's you create
 
 ### Regeneration
 ```pycon
->>> g = GenerativeImage(f1,f2)
+>>> g = GenerativeImage(f1, f2)
 >>> g.generate(seed=1018273)
 >>> g.plot(projection=Projection.POLAR)
 >>> plt.show()
@@ -182,7 +182,7 @@ Samila is a generative art generator written in Python, Samila let's you create
 Upload generated image directly to [NFT.storage](https://NFT.storage)
 
 ```pycon
->>> g.nft_storage(api_key = YOUR_API_KEY)
+>>> g.nft_storage(api_key=YOUR_API_KEY)
 {'status': True, 'message': 'Everything seems good'}
 ```
 
@@ -237,10 +237,10 @@ We have set of points in the first space (left square) which can be define as fo
 And bellow functions are used for transformation:
 
 ```pycon
->>> def f1(x,y):
-    result = random.uniform(-1,1) * x**2  - math.sin(y**2) + abs(y-x)
+>>> def f1(x, y):
+    result = random.uniform(-1,1) * x**2 - math.sin(y**2) + abs(y-x)
     return result
->>> def f2(x,y):
+>>> def f2(x, y):
     result = random.uniform(-1,1) * y**3 - math.cos(x**2) + 2*x
     return result
 ```
@@ -250,7 +250,7 @@ And bellow functions are used for transformation:
 here we uses `Projection.POLAR` so later space will be the polar space and we have:
 
 ```pycon
->>> g = GenerativeImage(f1,f2)
+>>> g = GenerativeImage(f1, f2)
 >>> g.generate(seed=10)
 >>> g.plot(projection=Projection.POLAR)
 ```
diff --git a/otherfiles/images/3.png b/otherfiles/images/3.png
index 2b45632..ff579e2 100644
Binary files a/otherfiles/images/3.png and b/otherfiles/images/3.png differ