bug fix in readme

README.md

@@ -20,8 +20,8 @@ for selecting specific trajectories based on spatiotemporal criteria which can b
 **Track Analyzer** can be run without any programming knowledge using its graphical interface. The interface is launched by 
 running a [Jupyter notebook](https://jupyter.org/) containing widgets allowing the user to load data and set parameters without writing any code. 
 
-![image](resources/screenshot1.png)
-![image](resources/screenshot2.png)
+![image](resources/screenshot_1.png)
+![image](resources/screenshot_2.png)
 
 ## Data requirements
 **Track Analyzer** needs as input a text file (csv or txt file) of tracked data containing the position coordinates (in 2D or 3D) along time and the tracks identifiers. 
@@ -77,7 +77,7 @@ To run track-analyzer
 
 ## Documentation
 You can find a complete documentation 
-[![Doc](https://track-analyzer.pages.pasteur.fr/track-analyzer/)](https://track-analyzer.pages.pasteur.fr/track-analyzer/)
+[![here](https://track-analyzer.pages.pasteur.fr/track-analyzer/)](https://track-analyzer.pages.pasteur.fr/track-analyzer/)
 
 ## Troubleshooting
 The 3D visualization and the drawing selection tool depend on the [napari](<https://napari.org/>) package.