Description of problem: The following stanza in /usr/share/man/man8/yum.8.gz appears twice:

  yum clean dbcache
         Eliminate the sqlite cache used for faster access  to  metadata.
         Using this option will force yum to download the sqlite metadata
         the next time it is run, or  recreate  the  sqlite  metadata  if
         using an older repo.

Version-Release number of selected component (if applicable): yum 3.2.27

How reproducible: Very

Steps to Reproduce:
1. $ man yum
  
Actual results:
   ...
   yum clean metadata
          Eliminate all of the files  which  yum  uses  to  determine  the
          remote  availability  of  packages. Using this option will force
          yum to download all the metadata the next time it is run.

   yum clean dbcache
          Eliminate the sqlite cache used for faster access  to  metadata.
          Using this option will force yum to download the sqlite metadata
          the next time it is run, or  recreate  the  sqlite  metadata  if
          using an older repo.

   yum clean dbcache
          Eliminate  the  sqlite cache used for faster access to metadata.
          Using this option will force yum to download the sqlite metadata
          the  next  time  it  is  run, or recreate the sqlite metadata if
          using an older repo.

   yum clean rpmdb
          Eliminate any cached data from the local rpmdb.
   ...

Expected results:
   ...
   yum clean metadata
          Eliminate all of the files  which  yum  uses  to  determine  the
          remote  availability  of  packages. Using this option will force
          yum to download all the metadata the next time it is run.

   yum clean dbcache
          Eliminate the sqlite cache used for faster access  to  metadata.
          Using this option will force yum to download the sqlite metadata
          the next time it is run, or  recreate  the  sqlite  metadata  if
          using an older repo.

   yum clean rpmdb
          Eliminate any cached data from the local rpmdb.
   ...

Additional info: