Docs: fix markup errors caught by odoc

[skip ci]

src/core/lwt_log_core.mli

@@ -164,7 +164,7 @@ val ign_log_f : ?exn : exn -> ?section : section -> ?location : (string * int *
 (** The following functions are the same as {!log} except that their
     name determines which level is used.
 
-    For example {!info msg} is the same as {!log ~level:Info msg}.
+    For example {!info}[ msg] is the same as {!log}[ ~level:Info msg].
 *)
 
 val debug : ?exn : exn -> ?section : section -> ?location : (string * int * int) -> ?logger : logger -> string -> unit Lwt.t

src/unix/lwt_log.mli

@@ -50,7 +50,7 @@ let () =
 ]}
 
     As an alternative to this module, we suggest trying
-    {{: http://erratique.ch/software/logs/doc/Logs_lwt.html}[Logs_lwt] from the
+    {{: http://erratique.ch/software/logs/doc/Logs_lwt.html}[Logs_lwt]} from the
     {{: http://erratique.ch/software/logs} [logs]} library. *)
 
 include module type of Lwt_log_core
@@ -86,7 +86,7 @@ val syslog : ?template : template -> ?paths : string list -> facility : syslog_f
       which send message to the system logger.
 
       @param paths is a list of path to try for the syslogd socket. It
-             default to [\["/dev/log"; "/var/run/log"\]].
+             default to [["/dev/log"; "/var/run/log"]].
       @param template defaults to ["$(date) $(name)[$(pid)]: $(section): $(message)"]
   *)