-\fB--compress-slow
-For LZX compression only: spend even more time compressing the data in order to
-achieve a more optimal compression ratio. This will make compression about
-twice as slow and will increase the compression ratio by maybe 1%, if you're
-lucky.
+\fB--recompress-slow\fR, \fB--compress-slow\fR
+Spend even more time compressing the data in order to achieve a more optimal
+compression ratio. Compared to the default \fB--recompress\fR, this will make
+compression about twice as slow and will increase the compression ratio by maybe
+1%, depending on the data. This option implies \fB--recompress\fR and
+\fB--compress\fR=\fImaximum\fR (recompress using LZX compression).
+.TP
+\fB--compress\fR=\fITYPE\fR
+Recompress the WIM file using the specified compression type. \fITYPE\fR may be
+"none", "fast", or "maximum". This implies \fB--recompress\fR.
+.IP ""
+\fITYPE\fR may also be "recovery" (or "LZMS"); however, this will result in
+reduced compatibility. See the documentation for this option to
+\fB@IMAGEX_PROGNAME@ capture\fR (1) for more details.
+.TP
+\fB--chunk-size\fR=\fISIZE\fR
+Set the WIM compression chunk size to \fISIZE\fR. See the documentation for
+this option to \fB@IMAGEX_PROGNAME@ capture\fR (1) for more details.
+.TP
+\fB--pack-streams\fR
+Create a "solid" archive that compresses multiple files together. This can
+result in a higher compression ratio, but has disadvantages such as reduced
+compatibility; see the documentation for this option to
+\fB@IMAGEX_PROGNAME@-capture\fR (1) for more details.