Fix examples/shapes/shapes_collision_area.c help instructions (#3279)

examples/shapes/shapes_collision_area.c

@@ -99,6 +99,9 @@ int main(void)
                 DrawText(TextFormat("Collision Area: %i", (int)boxCollision.width*(int)boxCollision.height), GetScreenWidth()/2 - 100, screenUpperLimit + 10, 20, BLACK);
             }
 
+            // Draw help instructions
+            DrawText("Press SPACE to PAUSE/RESUME", 20, screenHeight - 35, 20, LIGHTGRAY);
+
             DrawFPS(10, 10);
 
         EndDrawing();
@@ -111,4 +114,4 @@ int main(void)
     //----------------------------------------------------------
 
     return 0;
-}
+}