<para>
If one package blocks another package, the two packages
conflict such that they cannot be installed simultaneously.
- These conflicts are often due to file collisions.
+ These conflicts are often due to file collisions. In some
+ cases, packages that block eachother can be temporarily
+ installed simultaneously. In order to resolve file collisions
+ that occur between two blocking packages that are installed
+ simultaneously, the overlapping files must be removed from
+ the contents list of the package which was installed first.
</para>
</sect2>
<sect2 id='dependency-resolution-package-modeling-slot-conflicts'>