Update README.md

README.md

@@ -127,7 +127,7 @@ ImageJ macros and scripts written at the imaging facility MRI. Have a look at th
 <img align='right' src="https://github.com/MontpellierRessourcesImagerie/imagej_macros_and_scripts/assets/7602420/f9023f28-0803-41b8-9886-584db240b93e" height='100'/> The tool allows to track the ends of fluorescently labelled microtubules, which are becoming shorter and to measure the speed of the movement of each end. It also creates kymograms and plots distance-per-time. 
 ####   [Transfection_Efficiency_Tool](https://github.com/MontpellierRessourcesImagerie/imagej_macros_and_scripts/wiki/Transfection_Efficiency_Tool)
 
-<img align='right' src="https://camo.githubusercontent.com/90f1403c7933b9517065f2f0daf0276772d0bd63/687474703a2f2f6465762e6d72692e636e72732e66722f6174746163686d656e74732f646f776e6c6f61642f323234312f7472616e736665637465642d73656c65637465642e706e67" height='100'/> The tool helps to measure the transfection efficiency. It reports the percentage of transfected cells in the image. It has tools to manually correct the segmented nuclei (merge and split). 
+<img align='right' src="https://github.com/MontpellierRessourcesImagerie/imagej_macros_and_scripts/assets/7602420/97cf9547-193f-47ff-b630-422611e71b04" height='100'/> The tool helps to measure the transfection efficiency. It reports the percentage of transfected cells in the image. It has tools to manually correct the segmented nuclei (merge and split). 
 ####   [Width-Profile-Tools](https://github.com/MontpellierRessourcesImagerie/imagej_macros_and_scripts/wiki/Width-Profile-Tools) 
 
 <img align='right' src="https://camo.githubusercontent.com/18fdc3a2922e0e9b87e9b662c501b4709fb4863e35190b91dc0e239c591181c8/68747470733a2f2f6465762e6d72692e636e72732e66722f6174746163686d656e74732f646f776e6c6f61642f323636372f566f726f6e6f692d726573756c742e706e67" height='100'/> Tools to estimate the width-profile of an object given as a binary mask image. Calculate the width profile of the object as local thickness, as voronoi distance between two parts of the contour-line, perpendicular to the axis of inertia or at regular distances using rays perpendicular to a centerline segment.