Reword sentence for clarity

raylib-generic-uber-shader-and-custom-shaders.md

@@ -112,7 +112,7 @@ typedef enum {
 #define MATERIAL_MAP_SPECULAR     MATERIAL_MAP_METALNESS
 ``` 
 
-When drawing, maps are internally bound or not depending on the availability:
+When drawing, maps may be internally bound depending on the availability:
 ```c
 // Default material loading example
 Material material = LoadMaterialDefault();                      // Default shader assigned to material