diff --git a/CLAUDE.md b/CLAUDE.md
index dc46fee..dca0944 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -9,6 +9,8 @@ All code in the src subdirectory
 
 The main program and the binary would be called radar-simulation.
 
+The shaders are in the shaders subdirectory
+
 We need to use classes. For now, I can see one class for all things
 having to do with putting stuff on the screen. Includes initializing
 OpenGL and put up two windows on the screen. One is for the PPI display,
@@ -32,19 +34,19 @@ The platform is a Geekom GEEKOM A8 Max, AMD Ryzen 9 8945HS 5.2GHz 32GB RAM
 
 Now here is the overall project and proposed architecture
 
-This project is to simulatel a period 1950 to 1960 marine radar with a crt p7
+This project is to simulate a period 1950 to 1960 marine radar with a crt p7
 phosphor for the ppi scope and a p4 phosphor for the a scope. The ppi scope 
 will be on the right side of the screen and the a scope will be on the left
 hand side of the screen. The user will use a knob to set the bearing for the
 a scope as that only shows range.
 
 For now, the a scope will not be made full because  I have not figured out
-how to impliment the bearing control. Just put the display up on the screen.
+how to implement the bearing control. Just put the display up on the screen.
 
 The main ppi scope will take up the right hand side of the screen. You need to leave about
 a 1/2 inch margin around the sides of the circular scope. 
 
-Details for A scope (predescor to the PPI scope)
+Details for A scope (predecessor to the PPI scope)
 
 The a scope will have pulse amplitude on the vertical axis and the range on the horizontal
 axis. There will be a graticule for the a scope. This will show range markings. In the
@@ -52,16 +54,21 @@ day, the operator would physically change the graticule overlay. What we can do
 electronically change the overlay  and put a brief message saying operator changes
 the graticule. 
 
-The graticle was illuminated with #47 incandescent dial lights, we need to have that
-graticule lit with an equivalent color. Horizontal is range, verticle is strength
+The graticule was illuminated with #47 incandescent dial lights, we need to have that
+graticule lit with an equivalent color. Horizontal is range, vertical is strength
 of the return blip. The phosphor of the A scope is green, similar to P1, which was
 used on oscillosopes. 
 
 Please note that there will be two sets of shaders. Once for the actual trace and the
-other is used for the graticule. It will be used to change the graticle range and 
+other is used for the graticule. It will be used to change the graticule range and 
 briefly display the message "operator inserts new graticule manually". If possible for
 realism, have the old graticule move up and off the screen and then the new graticule move
 onto and down the screen until it is in place, simulating the operator changing the
 graticule. 
 
+There are as of now, no shaders nor any c++ files created yet
+
 PPI display will be done later. 
+
+Right  now, I just want to make sure that the structure is okay and that the CMakeFile.txt
+looks okay. I am  not ready to ask you to create any code