.\" -*- nroff -*-
-.TH E2FREEFRAG 8
+.TH E2FREEFRAG 8 "@E2FSPROGS_MONTH@ @E2FSPROGS_YEAR@" "E2fsprogs version @E2FSPROGS_VERSION@"
.SH NAME
e2freefrag \- report free space fragmentation information
.SH SYNOPSIS
.SH OPTIONS
.TP
.BI \-c " chunk_kb"
-Desired size of chunk. It is specified in units of kilobytes (KB). If no
+If a chunk size is specified, then
+.B e2freefrag
+will print how many free chunks of size
.I chunk_kb
-is specified on the command line, then the default value is 1024KB.
+are available in units of kilobytes (Kb). The chunk size must be a
+power of two and be larger than filesystem block size.
.TP
.BI \-h
Print the usage of the program.
.br
Free blocks: 292995 (19.5%)
.br
-Chunk size: 1048576 bytes (256 blocks)
-.br
-Total chunks: 5876
-.br
-Free chunks: 463 (7.9%)
-.br
Min. free extent: 4 KB
.br