Update CHANGELOG.md

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CHANGELOG.md

@@ -6,7 +6,8 @@
 ### Added
 * DORiE now depends on [`yaml-cpp`](https://github.com/jbeder/yaml-cpp/), a
     library for reading YAML files. The version required is >=5.2.0.
-* Added a abstract base class [`SimulationBase`](dune/dorie/interface/base_simulation.hh) 
+* Added an abstract base class
+    [`SimulationBase`](dune/dorie/interface/base_simulation.hh) 
     that models the concept of simulation steps so that they 
     can be later coupled with other simulations.
 * New classes representing parameterizations. Every parameterization must now