Update README.md to point to the lastest release

README.md

@@ -12,7 +12,7 @@ I got tired of my gcode and 3mf files looking like ![](images/before.png)
 ## To Install:
 
 * Download and put the ThumbHost3MF app in `/Applications` or a subdirectory of `/Applications`. Run the ThumbHost3MF app. You only need to run it once to register the Quicklook plugin it contains.
-If you don't want to compile the app yourself, grab the compiled code from [Releases](https://github.com/DavidPhillipOster/ThumbHost3MF/releases/tag/1.6)
+If you don't want to compile the app yourself, grab the compiled code from [Releases](https://github.com/DavidPhillipOster/ThumbHost3MF/releases/tag/1.7.1)
 
 * Use ThumbHost3MF's **File > Open** menu item and point at a directory containing .gcode or .3mf files: that will kick the Finder into noticing the embedded thumbnail presenter. (You can open a .gcode or .3mf file at this point to prove that ThumbHost3MF can see the embedded thumbnail image in it.)