better manpage [ci skip]

man/ffs.1

@@ -7,12 +7,27 @@
 ffs - the file filesystem
 .SH SYNOPSIS
 .PP
-ffs [\f[I]FLAGS\f[R]/\f[I]OPTIONS\f[R]] [\f[I]INPUT\f[R]]
+ffs [\f[I]FLAGS\f[R]] [\f[I]OPTIONS\f[R]] [\f[I]INPUT\f[R]]
+.PD 0
+.P
+.PD
+ffs \f[I]--completions\f[R] \f[I]SHELL\f[R]
+.PD 0
+.P
+.PD
+ffs [\f[I]-h\f[R]|\f[I]--help\f[R]]
+.PD 0
+.P
+.PD
+ffs [\f[I]-V\f[R]|\f[I]--version\f[R]]
 .SH DESCRIPTION
 .PP
-ffs---short for the file filesystem---lets you mount semi-structured
-data as a filesystem, allowing you to work with modern formats using
-familiar shell tools.
+\f[I]ffs\f[R]---the \f[I]f\f[R]ile \f[I]f\f[R]ile\f[I]s\f[R]ystem---lets
+you mount semi-structured data as a filesystem, allowing you to work
+with modern formats using familiar shell tools.
+.PP
+\f[I]ffs\f[R] uses filesystems in userspace (FUSE); you must have these
+installed on your system to use \f[I]ffs\f[R].
 .SS Flags
 .TP
 -d, --debug
@@ -139,6 +154,13 @@ When filenames are present, extensions will be used to infer the format
 being used.
 You can specify the source and target formats explicitly with
 \f[I]--source\f[R] and \f[I]--target\f[R], respectively.
+.SH SEE ALSO
+.PP
+fuse(4), fusermount(3), mount(8), umount(8)
+.PP
+To learn more about FUSE (Filesystem in Userspace), check out libfuse
+(Linux) <https://github.com/libfuse/libfuse> and macFUSE (macOS)
+<https://osxfuse.github.io/>.
 .SH BUGS
 .PP
 See <https://github.com/mgree/ffs/issues>.

man/ffs.1.md

@@ -7,14 +7,21 @@ ffs - the file filesystem
 
 # SYNOPSIS
 
-| ffs \[*FLAGS*/*OPTIONS*\] \[*INPUT*\]
+| ffs \[*FLAGS*\] \[*OPTIONS*\] \[*INPUT*\]
+| ffs *--completions* *SHELL*
+| ffs \[*-h*|*--help*\]
+| ffs \[*-V*|*--version*\]
+
 
 # DESCRIPTION
 
-ffs---short for the file filesystem---lets you mount semi-structured
+*ffs*---the *f*ile *f*ile*s*ystem---lets you mount semi-structured
 data as a filesystem, allowing you to work with modern formats using
 familiar shell tools.
 
+*ffs* uses filesystems in userspace (FUSE); you must have these
+installed on your system to use *ffs*.
+
 ## Flags
 
 -d, --debug
@@ -156,6 +163,16 @@ When filenames are present, extensions will be used to infer the
 format being used. You can specify the source and target formats
 explicitly with *--source* and *--target*, respectively.
 
+# SEE ALSO
+
+fuse(4), fusermount(3), mount(8), umount(8)
+
+To learn more about FUSE (Filesystem in Userspace), check out libfuse
+(Linux)
+[https://github.com/libfuse/libfuse](https://github.com/libfuse/libfuse)
+and macFUSE (macOS)
+[https://osxfuse.github.io/](https://osxfuse.github.io/).
+
 # BUGS
 
 See