tiny tweaks to docs (noticed during pash retreat) (#124)

Merging even though the vagrant checks are failing---something is borked in our runners.

docs/try.1.md

@@ -23,19 +23,19 @@ While using *try* you can choose to commit the result to the filesystem or compl
 
 -n
 
-: Don't prompt for commit. Just return the overlay directory.
+: Don't commit or prompt for commit. Just return the overlay directory. Overrides -y.
 
 -y
 
-: Assume yes to all prompts (implies -n is not used)
+: Assume yes to all prompts. Overrides -n.
 
 -v
 
-: Show version information (and exit)
+: Show version information (and exit).
 
 -h
 
-: Show a usage message (and exit)
+: Show a usage message (and exit).
 
 
 ## Options
@@ -57,39 +57,39 @@ This option is recommended in case OverlayFS fails.
 
 try summary *DIR*
 
-: Show the summary for the overlay in *DIR*
+: Show the summary for the overlay in *DIR*.
 
 try commit *DIR*
 
-: Commit the overlay in *DIR*
+: Commit the overlay in *DIR*.
 
 try explore
 
-: Run in interactive mode
+: Run in interactive mode, i.e., start a shell in the overlay.
 
 ## Arguments
 
 *CMD*
 
-: Specifies the command to execute inside the overlay
+: Specifies the command to execute inside the overlay.
 
 *ARG*
 
-: The arguments of *CMD*
+: The arguments of *CMD*.
 
 # EXIT STATUS
 
 0
 
-: Command ran successfully
+: Command ran successfully.
 
 1
 
-: Consistency error/failure
+: Consistency error/failure.
 
 2
 
-: Input error
+: Input or other internal error.
 
 # EXAMPLES
 
@@ -138,7 +138,7 @@ try commit try_dir
 
 # SEE ALSO
 
-checkinstall(1), chroot(1), unshare(1)
+checkinstall(1), chroot(1), unshare(1), mount_namespaces(7), namespaces(7), mount(8)
 
 # BUGS
 

try

@@ -478,8 +478,8 @@ usage() {
     cat >&2 <<EOF
 Usage: $TRY_COMMAND [-nvhy] [-i PATTERN] [-D DIR] [-U PATH] CMD [ARG ...]
 
-  -n                don't prompt for commit
-  -y                assume yes to all prompts (implies -n is not used)
+  -n                don't commit or prompt for commit (overrides -y)
+  -y                assume yes to all prompts (overrides -n)
   -i PATTERN        ignore paths that match PATTERN on summary and commit
   -D DIR            work in DIR (implies -n)
   -U PATH           path to unionfs helper (e.g., mergerfs, unionfs-fuse)