-Optimize directories in filesystem. This option causes e2fsck to
-try to optimize all directories, either by reindexing them if the
-filesystem supports directory indexing, or by sorting and compressing
-directories for smaller directories, or for filesystems using
+Optimize directories in file system. This option causes e2fsck to
+try to optimize all directories, either by re-indexing them if the
+file system supports directory indexing, or by sorting and compressing
+directories for smaller directories, or for file systems using