Fix typos in doc

Author: Stefan Hahmann

README.md

@@ -261,7 +261,7 @@ positions of each segmented spot.
 
 ## Trackastra Linker
 
-* This linker uses [TrackAstra](https://www.ecva.net/papers/eccv_2024/papers_ECCV/papers/09819.pdf) for linking spots
+* This linker uses [Trackastra](https://www.ecva.net/papers/eccv_2024/papers_ECCV/papers/09819.pdf) for linking spots
   across timepoints.
 
 Parameters:
@@ -271,7 +271,7 @@ Parameters:
 * Mode:
     * Greedy linking with divisions: Uses a greedy algorithm to link spots and allows for cell divisions.
     * Greedy linking without divisions: Uses a greedy algorithm to link spots and does not allow for cell divisions.
-* Model (depends on dimensionality of data):
+* Model (depends on the dimensionality of data):
     * General Model (2D): Pre-trained model trained
       on [diverse 2D datasets](https://github.com/weigertlab/trackastra/blob/main/trackastra/model/pretrained.json).
       Recommended for 2D data.