upload-processor.md

@@ -58,5 +58,5 @@ When debugging a new processor, it is useful to check the execution log. In the
 
 ![executionlog](https://gitlab.acri-cwa.fr/coastal-tep/tutorial/raw/master/images/part4/screenshot.jpg)
 
-| [:arrow_left: Go to Part 3: Interactive Application Service](Ias) |
+| [:arrow_left: Go to Part 3: A more complex processor](Timeseries processor) |
 | :------ |-----:|
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