fix find & replace error in query manual
@@ -982,7 +982,7 @@ is equivalent to
Position(super(ChildOf))
```
-#### Reflexive Substitution
+#### Self Substitution
Substitution can do more than just searching supersets. It is for example possible to start the search on `This` itself, and when the component is not found on `This`, keep searching by following the `ChildOf` relation:
```c
