Fix gulp doc

materialsLibrary/readme.md

@@ -15,7 +15,7 @@ sphere.material = simple;
 
 ## Adding a new material to the library
 
-To add a new material, you have to create your own folder in *materials* folder. Then you need to add a .ts file an two .fx files:
+To add a new material, you have to create your own folder in *materials* folder in src. Then you need to add a .ts file an two .fx files:
 * The .ts is the TypeScript code of your material
 * .fx files: GLSL code for vertex and fragment shaders
 

proceduralTexturesLibrary/readme.md

@@ -9,7 +9,7 @@ sphere.material.diffuseTexture = fire;
 
 ## Adding a new procedural texture to the library
 
-To add a new procedural texture, you have to create your own folder in *proceduralTextures* folder. Then you need to add a .ts file and one .fragment.fx files:
+To add a new procedural texture, you have to create your own folder in *proceduralTextures* folder in src. Then you need to add a .ts file and one .fragment.fx files:
 * The .ts is the TypeScript code of your procedural texture
 * .fx file: GLSL code for fragment shaders