docs: fix incorrect listing

docs/adding_a_model.md

@@ -41,11 +41,11 @@ If readme of model exists:
 mteb create_meta --results_folder results/{model_name}/{model_revision} --output_path model_card.md --from_existing your_existing_readme.md 
 ```
 
-3. **Add the frontmatter to model repository:**
+2. **Add the frontmatter to model repository:**
 
 Copy the content of the `model_card.md` file to the top of a `README.md` file of your model on the Hub. See [here](https://huggingface.co/Muennighoff/SGPT-5.8B-weightedmean-msmarco-specb-bitfit/blob/main/README.md) for an example.
 
-4. **Wait for a refresh the leaderboard:**
+3. **Wait for a refresh the leaderboard:**
 
 The leaderboard will then automatically refresh daily so once submitted all you have to do is wait for the automatic refresh.