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 there is a sampleStartup.m file in the leverjs/matlab folder. check the path settings in that file, and be sure it gets run before using leverjs (e.g. add it to your startup.m file). if you run from client-server (e.g. via the web browser) you will need to have matlab 2019b or the runtime. if you run your processing directly from matlab, then any version >= 2019b should suffice.
 
 ## cell tracking challenge data 
-for working with the [cell tracking challenge](http://celltrackingchallenge.net) datasets there is a separate [git repository](https://git-bioimage.coe.drexel.edu/opensource/ljsctc). 
+for working with the [cell tracking challenge](http://celltrackingchallenge.net) datasets there is a separate leverjs CTC [git repository](https://git-bioimage.coe.drexel.edu/opensource/ljsctc). 
 you will find many useful routines for importing and processing cell tracking challenge images in that repo.
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