message: Fix the link to picture in hugectr_user_guide.md
diff: @@ -199,7 +199,7 @@ Fig. 6 illustartes how these hyperparameters interact with the actual learning r
  }
  }
  ```
  -<div align=center><img width = '500' src ="docs/user_guide_src/learning_rate_scheduling.png"/></div>
  +<div align=center><img width = '500' src ="user_guide_src/learning_rate_scheduling.png"/></div>
  <div align=center>Fig. 6. Learning rate scheduling</div>
  ### Layers
  