Update README.rst

Author: micahgallen

README.rst

@@ -252,5 +252,5 @@ Systole was largely inspired by pre-existing toolboxes dedicated to heartrate va
 .. |lundbeck| image::  https://github.com/embodied-computation-group/systole/blob/dev/docs/source/images/lundbeckfonden_logo.png
    :width: 10%
 
-.. |lab| image::  https://github.com/embodied-computation-group/systole/tree/master/docs/source/images/ECG_logo (1).png
+.. |lab| image::  https://github.com/embodied-computation-group/systole/ECG_logo (1).png
    :width: 20%