howto/upgrades.md

@@ -12,7 +12,7 @@ major release. Here are the currently documented ones:
 [[!map pages="page(howto/upgrades/*) and !page(howto/upgrades/cassettes)"]]
 
 <figure>
-<img alt="graph showing planned completion date, currently around july 2020" src="predict-stretch.png" />
+<img alt="graph showing planned completion date, currently around july 2020" src="/howto/upgrades/predict-stretch.png" />
 <figcaption>
 
 The above graphic shows the progress of the migration between major