man/man8/mkfs.xfs.8 | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/man/man8/mkfs.xfs.8 b/man/man8/mkfs.xfs.8
index 8184e10..7f965b0 100644
@@ -513,9 +513,11 @@ any power of 2 size from the filesystem block size up to
-option enables ASCII only case-insensitive filename lookup and version
+option enables ASCII-only case-insensitive filename lookup and version
2 directories. Filenames are case-preserving, that is, the names
-are stored in directories using the case they were created with.
+are stored in directories using the case they were created with. In this
+mode non-ASCII file and directory names are not supported are are likely
+to become inaccessible if used.
Note: Version 1 directories are not supported.