Fix wrong link in text2img fine-tuning documentation (#1282)

fix link typo

docs/source/training/text2image.mdx

@@ -13,7 +13,7 @@ specific language governing permissions and limitations under the License.
 
 # Stable Diffusion text-to-image fine-tuning
 
-The [`train_text_to_image.py`](https://github.com/huggingface/diffusers/tree/main/examples/textual_inversion) script shows how to fine-tune the stable diffusion model on your own dataset.
+The [`train_text_to_image.py`](https://github.com/huggingface/diffusers/tree/main/examples/text_to_image) script shows how to fine-tune the stable diffusion model on your own dataset.
 
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