typo in comment

video/char_gpt.ipynb

@@ -839,7 +839,7 @@
     "        B, T = x.shape\n",
     "        pos = torch.arange(0, T, dtype=torch.long, device=x.device)\n",
     "        token_embeddings = self.token_emb(x)        # (B, T, C)\n",
-    "        position_embeddings = self.pos_emb(pos)     # (B, T, C)\n",
+    "        position_embeddings = self.pos_emb(pos)     # (   T, C)\n",
     "        h = token_embeddings + position_embeddings  # (B, T, C)\n",
     "        h = self.blocks(h)                          # (B, T, C)\n",
     "        logits = self.lm(self.l(h))                 # (B, T, vs)\n",