add that fork exception is rare

Author: vollmera

content/github/site-policy/dmca-takedown-policy.md

@@ -63,7 +63,7 @@ One of the best features of GitHub is the ability for users to "fork" one anothe
 
 GitHub *will not* automatically disable forks when disabling a parent repository. This is because forks belong to different users, may have been altered in significant ways, and may be licensed or used in a different way that is protected by the fair-use doctrine. GitHub does not conduct any independent investigation into forks. We expect copyright owners to conduct that investigation and, if they believe that the forks are also infringing, expressly include forks in their takedown notice.
 
-Please note, if you are alleging copyright infringement in a full repository that is actively being forked and you have identified all known forks at the time or, if the reported network that contains the allegedly infringing content is larger than one hundred (100) repositories, we would consider disabling the entire network if you could state in your notice that, based on the representative number of forks you have reviewed and subsequently listed in your notice, you believe that all or most of the forks are infringing to the same extent as the parent repository.
+Please note, for the rare occasions in which you are alleging copyright infringement in a full repository that is actively being forked and you have identified all known forks at the time or, if the reported network that contains the allegedly infringing content is larger than one hundred (100) repositories, we would consider disabling the entire network if you could state in your notice that, based on the representative number of forks you have reviewed and subsequently listed in your notice, you believe that all or most of the forks are infringing to the same extent as the parent repository.
 
 ### C. What If I Inadvertently Missed the Window to Make Changes?