diff --git a/cw 9/src/ex_9_1.hpp b/cw 9/src/ex_9_1.hpp
index 0c302f7..0faeb89 100644
--- a/cw 9/src/ex_9_1.hpp	
+++ b/cw 9/src/ex_9_1.hpp	
@@ -4,7 +4,6 @@
 #include "ext.hpp"
 #include <iostream>
 #include <cmath>
-#include <vector>
 
 #include "Shader_Loader.h"
 #include "Render_Utils.h"
@@ -228,7 +227,7 @@ void Terraingen() {
 		for (int y = 0; y < size; y++)
 		{
 
-			//Generating noise for point based on time
+			//Generating noise, based on x and y coordinates
 			float noise = glm::simplex(glm::vec2(
 				(x - size / 2) * scaleA,
 				(y - size / 2) * scaleA
@@ -237,7 +236,7 @@ void Terraingen() {
 			noise = (noise + 1) / 2;
 			//x, y, z of a point
 			vertices.push_back(glm::vec3(
-				((x - size / 2) * scaleB)+5,
+				((x - size / 2) * scaleB)+5.3f,
 				((noise * 1.2f)-0.65f),
 				(y - size / 2) * scaleB
 			));
@@ -299,8 +298,8 @@ void Terraingen() {
 
 
 }
-//function with chatGPT help
-//A function to write terrain into a file
+//function pregenerated by chatGPT
+//Converst the 3 arrays (vertives, indices and normals) into a Wavefront .obj file, in a f v//vn shortened format
 void WriteOBJ(const std::string& GeneratedTerrain) {
 	// Open the output file
 	std::ofstream outFile(GeneratedTerrain);
@@ -1013,7 +1012,7 @@ void init(GLFWwindow* window)
 	loadModelToContext("./models/algae3.obj", models::algae3Context);
 	//model created manually
 	loadModelToContext("./models/glassWindow.obj", models::glassWindowContext);
-	//model created manually(by generating)
+	//model created automatically within code
 	loadModelToContext("./models/GeneratedTerrain.obj", models::ProcedurallyGT);
 
 
@@ -1085,23 +1084,6 @@ void init(GLFWwindow* window)
 		);
 	}
 	//
-
-
-	/*
-	glGenVertexArrays(1, &TerrainVAO);
-	glGenBuffers(1, &TerrainVBO);
-	glGenBuffers(1, &TerrainIBO);
-	glBindVertexArray(TerrainVAO);
-	glBindBuffer(GL_ARRAY_BUFFER, TerrainVBO);
-	glBufferData(GL_ARRAY_BUFFER, vertices.size() * sizeof(glm::vec3), vertices.data(), GL_STATIC_DRAW);
-	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, TerrainIBO);
-	glBufferData(GL_ELEMENT_ARRAY_BUFFER, indices.size() * sizeof(unsigned int), indices.data(), GL_STATIC_DRAW);
-	glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float), (void*)0);
-	glEnableVertexAttribArray(0);
-	glBindVertexArray(0);
-	//glBindBuffer(GL_ARRAY_BUFFER, 0);
-	//glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
-	*/
 }
 
 void shutdown(GLFWwindow* window)