Fixed my changes. Thanks to @ThomasWaldmann for the review!

docs/internals.rst

@@ -311,7 +311,7 @@ more chunks than estimated above, because 1 file is at least 1 chunk).
 
 If a remote repository is used the repo index will be allocated on the remote side.
 
-E.g. backing up a total count of 1MiB files with a total size of 1TiB.
+E.g. backing up a total count of 1 million files with a total size of 1TiB.
 
 a) with create ``--chunker-params 10,23,16,4095`` (default):
 

docs/usage.rst

@@ -75,7 +75,7 @@ Some "yes" sayers (if set, they automatically confirm that you really want to do
     BORG_RELOCATED_REPO_ACCESS_IS_OK
         For "Warning: The repository at location ... was previously located at ..."
     BORG_CHECK_I_KNOW_WHAT_I_AM_DOING
-        For "Warning: 'check ``--repair``' is an experimental feature that might result in data loss."
+        For "Warning: '``check --repair``' is an experimental feature that might result in data loss."
     BORG_DELETE_I_KNOW_WHAT_I_AM_DOING
         For "You requested to completely DELETE the repository *including* all archives it contains:  "