Update README.md

Author: rwightman

README.md

@@ -28,7 +28,7 @@ I'm fortunate to be able to dedicate significant time and money of my own suppor
 * `convnext_tiny_hnf` (head norm first) weights trained with (close to) A2 recipe, 82.2% top-1, could do better with more epochs.
 
 ### March 21, 2022
-* Merge `norm_norm_norm`. **IMPORTANT** this update for a coming 0.6.x release will likely de-stabilize the master branch for a while. Branch `0.5.x` or a previous 0.5.x release can be used if stability is required.
+* Merge `norm_norm_norm`. **IMPORTANT** this update for a coming 0.6.x release will likely de-stabilize the master branch for a while. Branch [`0.5.x`](https://github.com/rwightman/pytorch-image-models/tree/0.5.x) or a previous 0.5.x release can be used if stability is required.
 * Significant weights update (all TPU trained) as described in this [release](https://github.com/rwightman/pytorch-image-models/releases/tag/v0.1-tpu-weights)
   * `regnety_040` - 82.3 @ 224, 82.96 @ 288
   * `regnety_064` - 83.0 @ 224, 83.65 @ 288