Fix menu location of export spot counts doc

Author: stefanhahmann

Diff for: README.md

@@ -349,15 +349,15 @@ The plugin allows performing various operations based on the correspondence info
 
 ### Export spot counts per lineage
 
-* Menu Location: `File > Export > Export measurements > Export spot counts per lineage`
+* Menu Location: `File > Export > Export measurements > Spot counts > Export spot counts per lineage`
 * Export spots counts per lineage per time point.
 * If spots are selected, only lineages with selected spots are included, otherwise all lineages are included.
 * Results in one CSV file per lineage.
 * Example: ![export_spot_counts_per_lineage.png](doc/export/export_spot_counts_per_lineage.png)
 
 ### Export spot counts per time point
 
-* Menu Location: `File > Export > Export measurements > Export spot counts per time point`
+* Menu Location: `File > Export > Export measurements > Spot counts > Export spot counts per time point`
 * This command writes the time point and the number of spots at each time point to a single CSV file.
 * Example: ![export_spot_counts_per_time_point.png](doc/export/export_spot_counts_per_time_point.png)