diff --git a/main.cpp b/main.cpp
index dd917bc..369f57f 100644
--- a/main.cpp
+++ b/main.cpp
@@ -6,6 +6,9 @@ using namespace std;
 
 int main()
 {
+    //////////////////////////
+    /// positions
+    //////////////////////////
     cout << Position(2, 5) << endl;
     cout << Position(-1, 9) << endl;
     cout << Position(0, 0) << endl;
@@ -25,6 +28,10 @@ int main()
     cout << (p1 == p2) << endl;
     cout << (p1 != p2) << endl;
 
+    /////////////////////////////
+    /// tiles
+    /////////////////////////////
+
     auto t1 = Tile(p1, EMPTY);
 
     cout << t1.pos() << " -- type: " << t1.getType() << " -- traversable?: " << t1.traversable() << endl;
@@ -33,5 +40,16 @@ int main()
 
     cout << t2.pos() << " -- type: " << t2.getType() << " -- traversable?: " << t2.traversable() << endl;
 
+    /*
+     * lack of flexibility in dynamic memory management for Tiles. If we don't know the number of tiles at compile-time,
+     * a fixed-size array is risky. Using vectors or linked lists, solves that problem, but we still have to manage
+     * memory deallocation by hand.
+     *
+     * as for Tiles having a Position member, having separate x_pos and y_pos int values for each Tile would eliminate
+     * the need for cting instances of Position.
+     * and it would spare us from having to overload operators, although in our case we're actually trying to
+     * practice that
+     */
+
     return 0;
 }
diff --git a/tile/Tile.cpp b/tile/Tile.cpp
index 0b1b9e7..3bce28b 100644
--- a/tile/Tile.cpp
+++ b/tile/Tile.cpp
@@ -13,7 +13,7 @@ Tile::Tile(Position pos, enum type type)
         : m_pos(pos), m_type(type)
 {}
 
-type Tile::getType() const
+const type Tile::getType() const
 {
     return m_type;
 }
diff --git a/tile/Tile.h b/tile/Tile.h
index 1c386e5..4869b54 100644
--- a/tile/Tile.h
+++ b/tile/Tile.h
@@ -8,7 +8,8 @@
 
 #include "../position/Position.h"
 
-enum type {
+enum type
+{
     EMPTY,
     WALL
 };
@@ -23,13 +24,12 @@ public:
     explicit Tile(Position pos, type type);
 
     const Position &pos() const;
-    type getType() const;
+
+    const type getType() const;
 
     bool traversable();
 
 };
 
 
-
-
 #endif //LABYRINTH_TILE_H