Update capacity description

docs/model_pipeline.rst

@@ -102,14 +102,13 @@ A few more conventions are important to know:
   * To adjust this setting, the attribute needs to be specified in the file :attr:`costs_efficiencies.csv`.
   * An overview of all facades, which includes `expandable` can be found in the facade attributes overview <https://oemof-tabular.readthedocs.io/en/latest/facades.html#>`_ provided by oemof.tabular.
 
-* The maximum capacity and the already installed capacity of specific components can be set individually
-
-  * In the file :attr:`capacities.csv`, the already installed capacity can be set as 0 for
-    a Greenfield assumption or as a positive numeric value for a Brownfield assumption.
-    Changes can be done for the attribute :attr:`capacity` in :attr:`var_name`.
-  * In the file :attr:`potentials.csv`, the maximum capacity can be set as a positive numeric value
-    for the attribute :attr:`capacity_potential` in :attr:`var_name`. If the
-    :attr:`capacity_potential` is left empty, an infinite capacity potential is assumed.
+* There is a distinction between the  maximum capacity and the already installed capacity of specific components.
+Each attribute can be set individually.
+
+  * The attribute :attr:`capacity` in :attr:`var_name` relates to the already installed capacity. The value can be set to 0 for
+    a Greenfield assumption or to a positive numeric value for a Brownfield assumption.
+  * The attribute :attr:`capacity_potential` in :attr:`var_name` relates to the maximum capacity,
+    which can be set to a positive numeric value or left empty. In the latter case, an infinite capacity potential is assumed.
 
 .. _prepare_resources_label: