Update capabilities section
@@ -432,8 +432,10 @@ As Features are immutable, a given Feature identifier always refers to the same
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- Additional capabilities can be used when resolving a number of features together, to provide a capability that is needed
- in one of these.
+ Additional capabilities can be provided by a feature. For example, a feature can declare a set of bundles and configurations which together
+ may provide an <code>osgi.implementation</code> capability, meaning that sum of these provide the implementation of a specification.
+ Any kind of capability can be declared to be provided by the feature. These capabilities can be used as part of the resolution
+ process when a number of features are resolved together.
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