diff --git a/graphics/radial_distribution.jl b/graphics/radial_distribution.jl
index 1d24552..c09afe8 100644
--- a/graphics/radial_distribution.jl
+++ b/graphics/radial_distribution.jl
@@ -5,7 +5,7 @@ using StaticArrays: SVector
 using ReCo: ReCo
 
 function gen_rdf_graphics()
-    Random.seed!(42)
+    Random.seed!(1)
 
     box_length = 100
     box_height = 100
@@ -16,8 +16,8 @@ function gen_rdf_graphics()
     Drawing(box_length, box_height, "$graphics_export_dir/rdf_shells.pdf")
     origin()
 
-    particle_radius = 5
-    Δr = 3 * particle_radius
+    particle_radius = 6
+    Δr = 2.4 * particle_radius
 
     setcolor("blue")
     circle(Point(0, 0), particle_radius, :fill)
@@ -25,8 +25,8 @@ function gen_rdf_graphics()
     N = 50
     twice_max_particle_coordinate = box_length
 
-    selected_shell_ind = 2
-    selected_lower_radius = selected_shell_ind * Δr
+    selected_shell_ind = 3
+    selected_lower_radius = (selected_shell_ind - 1) * Δr
 
     particle_cs = Vector{SVector{2,Float64}}(undef, N)
 
@@ -78,8 +78,8 @@ function gen_rdf_graphics()
     setline(0.3)
     line(Point(0, 0), Point(Δr, 0), :stroke)
 
-    fontsize(4)
-    text("r", Point(0.4 * Δr, 0.3 * Δr))
+    fontsize(4.5)
+    text("Δr", Point(0.44 * Δr, -0.05 * Δr))
 
     finish()