Further docstring improvements.

src/Propellor/Property/Postfix.hs

@@ -23,7 +23,7 @@ reloaded = Service.reloaded "postfix"
 
 -- | Configures postfix as a satellite system, which 
 -- relays all mail through a relay host, which defaults to smtp.domain,
--- but can be changed by mainCf "relayhost"
+-- but can be changed by @mainCf "relayhost"@.
 --
 -- The smarthost may refuse to relay mail on to other domains, without
 -- further configuration/keys. But this should be enough to get cron job
@@ -58,7 +58,7 @@ mappedFile f setup = setup f
 	`onChange` cmdProperty "postmap" [f]
 
 -- | Run newaliases command, which should be done after changing
--- </etc/aliases>.
+-- @/etc/aliases@.
 newaliases :: Property NoInfo
 newaliases = trivial $ cmdProperty "newaliases" []
 
@@ -66,7 +66,7 @@ newaliases = trivial $ cmdProperty "newaliases" []
 mainCfFile :: FilePath
 mainCfFile = "/etc/postfix/main.cf"
 
--- | Sets a main.cf name=value pair. Does not reload postfix immediately.
+-- | Sets a main.cf @name=value@ pair. Does not reload postfix immediately.
 mainCf :: (String, String) -> Property NoInfo
 mainCf (name, value) = check notset set
 		`describe` ("postfix main.cf " ++ setting)
@@ -75,7 +75,7 @@ mainCf (name, value) = check notset set
 	notset = (/= Just value) <$> getMainCf name
 	set = cmdProperty "postconf" ["-e", setting]
 
--- | Gets a man.cf setting.
+-- | Gets a main.cf setting.
 getMainCf :: String -> IO (Maybe String)
 getMainCf name = parse . lines <$> readProcess "postconf" [name]
   where
@@ -131,9 +131,9 @@ dedupCf ls =
 -- | Installs saslauthd and configures it for postfix, authenticating
 -- against PAM.
 --
--- Does not configure postfix to use it; eg smtpd_sasl_auth_enable = yes
+-- Does not configure postfix to use it; eg @smtpd_sasl_auth_enable = yes@
 -- needs to be set to enable use. See
--- https://wiki.debian.org/PostfixAndSASL
+-- <https://wiki.debian.org/PostfixAndSASL>.
 saslAuthdInstalled :: Property NoInfo
 saslAuthdInstalled = setupdaemon
 	`requires` Service.running "saslauthd"