Make the ShaderBuilder example easier to parse

src/main.rs

@@ -97,10 +97,14 @@ fn main() {
 
         }
 
-        // Basic usage of shader helper
-        // The code below returns a shader object, which contains the field .program_id
-        // The snippet is not enough to do the assignment, and will need to be modified (outside of just using the correct path), but it only needs to be called once
-        // shader::ShaderBuilder::new().attach_file("./path/to/shader").link();
+        // Basic usage of shader helper:
+        // The example code below returns a shader object, which contains the field `.program_id`.
+        // The snippet is not enough to do the assignment, and will need to be modified (outside of
+        // just using the correct path), but it only needs to be called once
+        //
+        //     shader::ShaderBuilder::new()
+        //        .attach_file("./path/to/shader.file")
+        //        .link();
         unsafe {
 
         }