Fix link to LoRA training guide in DreamBooth training guide (#2836)

Fix link to LoRA training guide

docs/source/en/training/dreambooth.mdx

@@ -237,7 +237,7 @@ python train_dreambooth_flax.py \
 
 ## Finetuning with LoRA
 
-You can also use Low-Rank Adaptation of Large Language Models (LoRA), a fine-tuning technique for accelerating training large models, on DreamBooth. For more details, take a look at the [LoRA training](training/lora#dreambooth) guide.
+You can also use Low-Rank Adaptation of Large Language Models (LoRA), a fine-tuning technique for accelerating training large models, on DreamBooth. For more details, take a look at the [LoRA training](./lora#dreambooth) guide.
 
 ## Saving checkpoints while training