diff --git a/.ocamlformat b/.ocamlformat
index 71d5f8a..f57d502 100644
--- a/.ocamlformat
+++ b/.ocamlformat
@@ -1,4 +1,4 @@
-version = 0.14.1
+version = 0.16.0
 break-infix = fit-or-vertical
 parse-docstrings = true
 indicate-multiline-delimiters=no
diff --git a/base64.opam b/base64.opam
index ee7a9c6..fbb0532 100644
--- a/base64.opam
+++ b/base64.opam
@@ -15,15 +15,14 @@ binary data in an ASCII string format by translating it into a radix-64
 representation.  It is specified in RFC 4648.
 """
 depends: [
-  "ocaml" {>="4.03.0"}
-  "base-bytes"
+  "ocaml" {>= "4.03.0"}
   "dune" {>= "2.0"}
   "bos" {with-test}
   "rresult" {with-test}
   "alcotest" {with-test}
 ]
 build: [
-  ["dune" "subst"]
+  ["dune" "subst"] {dev}
   ["dune" "build" "-p" name "-j" jobs]
-  ["dune" "runtest" "-p" name] {with-test}
+  ["dune" "runtest" "-p" name "-j" jobs] {with-test}
 ]
diff --git a/src/base64_rfc2045.mli b/src/base64_rfc2045.mli
index 90fef82..0e4d9ad 100644
--- a/src/base64_rfc2045.mli
+++ b/src/base64_rfc2045.mli
@@ -39,18 +39,21 @@ val decoder : src -> decoder
 (** [decoder src] is a decoder that inputs from [src]. *)
 
 val decode : decoder -> decode
-(** [decode d] is: {ul {- [`Await] if [d] has a [`Manual] input source and
-    awaits for more input. The client must use {!src} to provide it.} {- [`End]
-    if the end of input was reached} {- [`Malformed bytes] if the [bytes]
-    sequence is malformed according to the decoded base64 encoding scheme. If
-    you are interested in a best-effort decoding, you can still continue to
-    decode after an error until the decode synchronizes again on valid bytes.}
-    {- [`Flush data] if a [data] sequence value was decoded.} {-
-    [`Wrong_padding] if decoder retrieve a wrong padding at the end of the
-    input.}}
-
-    {b Note}. Repeated invocation always eventually returns [`End], even in
-    case of errors. *)
+(** [decode d] is:
+
+    - [`Await] if [d] has a [`Manual] input source and awaits for more input.
+      The client must use {!src} to provide it.
+    - [`End] if the end of input was reached
+    - [`Malformed bytes] if the [bytes] sequence is malformed according to the
+      decoded base64 encoding scheme. If you are interested in a best-effort
+      decoding, you can still continue to decode after an error until the decode
+      synchronizes again on valid bytes.
+    - [`Flush data] if a [data] sequence value was decoded.
+    - [`Wrong_padding] if decoder retrieve a wrong padding at the end of the
+      input.
+
+    {b Note}. Repeated invocation always eventually returns [`End], even in case
+    of errors. *)
 
 val decoder_byte_count : decoder -> int
 (** [decoder_byte_count d] is the number of characters already decoded on [d]
@@ -79,19 +82,20 @@ val encoder : dst -> encoder
 (** [encoder dst] is an encoder for Base64 (RFC2045) that outputs to [dst]. *)
 
 val encode : encoder -> encode -> [ `Ok | `Partial ]
-(** [encode e v]: is {ul {- [`Partial] iff [e] has a [`Manual] destination and
-    needs more output storage. The client must use {!dst} to provide a new
-    buffer and then call {!encode} with [`Await] until [`Ok] is returned.} {-
-    [`Ok] when the encoder is ready to encode a new [`Char] or
-    [`End]}}
+(** [encode e v]: is
+
+    - [`Partial] iff [e] has a [`Manual] destination and needs more output
+      storage. The client must use {!dst} to provide a new buffer and then call
+      {!encode} with [`Await] until [`Ok] is returned.
+    - [`Ok] when the encoder is ready to encode a new [`Char] or [`End]
 
     For [`Manual] destination, encoding [`End] always return [`Partial], the
     client should continue as usual with [`Await] until [`Ok] is returned at
     which point {!dst_rem} [encoder] is guaranteed to be the size of the last
     provided buffer (i.e. nothing was written).
 
-    {b Raises.} [Invalid_argument] if a [`Char] or [`End] is
-    encoded after a [`Partial] encode. *)
+    {b Raises.} [Invalid_argument] if a [`Char] or [`End] is encoded after a
+    [`Partial] encode. *)
 
 val encoder_dst : encoder -> dst
 (** [encoder_dst encoder] is [encoder]'s output destination. *)