Fix minor documentation errors

doc/rationale.md

@@ -99,7 +99,7 @@ For example:
 - Some flows are backed by a Unix file descriptor which we may want to extract.
 
 The OCaml standard library provides separate `close_in` and `close_out` functions, but cannot handle two-way flows.
-Eio instead provides a single `Flow.close` what works with all flows that can be closed.
+Eio instead provides a single `Flow.close` that works with all flows that can be closed.
 
 Users of Eio can choose how specific to make their code.
 For example, calling `Eio_main.run` will get you a basic Unix-like environment,

lib_ctf/unix/ctf_unix.mli

@@ -6,4 +6,4 @@ val mmap_buffer : size:int -> string -> Ctf.log_buffer
 
 val with_tracing : ?size:int -> string -> (unit -> 'a) -> 'a
 (** [with_tracing path fn] is a convenience function that uses {!mmap_buffer} to create a log buffer,
-    calls {!Control.start} to start recording, runs [fn], and then stops recording. *)
+    calls {!Ctf.Control.start} to start recording, runs [fn], and then stops recording. *)

lib_eio_linux/eio_linux.mli

@@ -23,7 +23,7 @@ module FD : sig
   type t
 
   val is_open : t -> bool
-  (** [is_open t] is [true] if {!close t} hasn't been called yet. *)
+  (** [is_open t] is [true] if {!close} hasn't been called yet. *)
 
   val close : t -> unit
   (** [close t] closes [t].

lib_eio_luv/eio_luv.mli

@@ -40,7 +40,7 @@ module File : sig
   type t
 
   val is_open : t -> bool
-  (** [is_open t] is [true] if {!close t} hasn't been called yet. *)
+  (** [is_open t] is [true] if {!close} hasn't been called yet. *)
 
   val close : t -> unit
   (** [close t] closes [t].
@@ -80,7 +80,7 @@ module Handle : sig
   type 'a t
 
   val is_open : 'a t -> bool
-  (** [is_open t] is [true] if {!close t} hasn't been called yet. *)
+  (** [is_open t] is [true] if {!close} hasn't been called yet. *)
 
   val close : 'a t -> unit
   (** [close t] closes [t].