Update README.md

Author: robmarkcole

README.md

@@ -50,7 +50,8 @@ This document lists resources for performing deep learning on satellite imagery.
   * [Few/one/zero/low shot learning](https://github.com/robmarkcole/satellite-image-deep-learning#fewonezerolow-shot-learning)
   * [Self-supervised, weakly/semi-supervised, unsupervised & contrastive learning](https://github.com/robmarkcole/satellite-image-deep-learning#self-supervised-weaklysemi-supervised-unsupervised--contrastive-learning)
   * [Active learning](https://github.com/robmarkcole/satellite-image-deep-learning#active-learning)
-  * [Image registration & data fusion](https://github.com/robmarkcole/satellite-image-deep-learning#image-registration--data-fusion)
+  * [Image registration](https://github.com/robmarkcole/satellite-image-deep-learning#image-registration)
+  * [Data fusion](https://github.com/robmarkcole/satellite-image-deep-learning#data-fusion)
   * [Terrain mapping, Disparity Estimation, Lidar, DEMs & NeRF](https://github.com/robmarkcole/satellite-image-deep-learning#terrain-mapping-disparity-estimation-lidar-dems--nerf)
   * [Federated learning](https://github.com/robmarkcole/satellite-image-deep-learning#federated-learning)
   * [Thermal Infrared](https://github.com/robmarkcole/satellite-image-deep-learning#thermal-infrared)