diff --git a/instrumentation/opentelemetry_cowboy/README.md b/instrumentation/opentelemetry_cowboy/README.md
index 234bec6..ffc99b0 100644
--- a/instrumentation/opentelemetry_cowboy/README.md
+++ b/instrumentation/opentelemetry_cowboy/README.md
@@ -1,10 +1,10 @@
 # opentelemetry_cowboy
 
 [![EEF Observability WG project](https://img.shields.io/badge/EEF-Observability-black)](https://github.com/erlef/eef-observability-wg)
-[![Hex.pm](https://img.shields.io/hexpm/v/opentelemetry_phoenix)](https://hex.pm/packages/opentelemetry_cowboy)
+[![Hex.pm](https://img.shields.io/hexpm/v/opentelemetry_cowboy)](https://hex.pm/packages/opentelemetry_cowboy)
 ![Build Status](https://github.com/open-telemetry/opentelemetry-erlang-contrib/workflows/Erlang/badge.svg)
 
-Telemetry handler that creates Opentelemetry spans from Phoenix events.
+Telemetry handler that creates Opentelemetry spans from cowboy events.
 
 After installing, setup the handler in your application behaviour before your
 top-level supervisor starts.
diff --git a/instrumentation/opentelemetry_cowboy/docs.config b/instrumentation/opentelemetry_cowboy/docs.config
new file mode 100644
index 0000000..b52230e
--- /dev/null
+++ b/instrumentation/opentelemetry_cowboy/docs.config
@@ -0,0 +1,4 @@
+{source_url, <<"https://github.com/open-telemetry/opentelemetry-erlang-contrib/tree/main/instrumentation/opentelemetry_cowboy">>}.
+{extras, [<<"LICENSE">>]}.
+{main, <<"opentelemetry_cowboy">>}.
+{proglang, erlang}.
\ No newline at end of file
diff --git a/instrumentation/opentelemetry_cowboy/docs.sh b/instrumentation/opentelemetry_cowboy/docs.sh
new file mode 100755
index 0000000..5c0f735
--- /dev/null
+++ b/instrumentation/opentelemetry_cowboy/docs.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+set -e
+
+# Setup:
+#
+#     mix escript.install github elixir-lang/ex_doc
+#     asdf install erlang 24.0.2
+#     asdf local erlang 24.0.2
+
+rebar3 compile
+rebar3 as docs edoc
+version=0.1.0
+ex_doc "opentelemetry_cowboy" $version "_build/default/lib/opentelemetry_cowboy/ebin" \
+       --source-ref v${version} \
+       --config docs.config $@
diff --git a/instrumentation/opentelemetry_cowboy/rebar.config b/instrumentation/opentelemetry_cowboy/rebar.config
index 3dc62a3..99d6d23 100644
--- a/instrumentation/opentelemetry_cowboy/rebar.config
+++ b/instrumentation/opentelemetry_cowboy/rebar.config
@@ -6,14 +6,14 @@
 ]}.
 
 {project_plugins, [covertool,
-                   erlfmt,
-                   rebar3_path_deps]}.
+                   erlfmt]}.
 {profiles,
  [{docs, [{deps, [edown]},
           {edoc_opts,
-           [{doclet, edown_doclet},
-            {preprocess, true},
-            {dir, "edoc"},
+           [{preprocess, true},
+            {doclet, edoc_doclet_chunks},
+            {layout, edoc_layout_chunks},
+            {dir, "_build/default/lib/opentelemetry_cowboy/doc"},
             {subpackages, true}]}]},
   {test, [{erl_opts, [nowarn_export_all]},
           {deps, [
diff --git a/instrumentation/opentelemetry_cowboy/rebar.lock b/instrumentation/opentelemetry_cowboy/rebar.lock
index 10b0233..dff8ad2 100644
--- a/instrumentation/opentelemetry_cowboy/rebar.lock
+++ b/instrumentation/opentelemetry_cowboy/rebar.lock
@@ -1,5 +1,5 @@
 {"1.2.0",
-[{<<"opentelemetry_api">>,{pkg,<<"opentelemetry_api">>,<<"1.0.0-rc.3.1">>},0},
+[{<<"opentelemetry_api">>,{pkg,<<"opentelemetry_api">>,<<"1.0.0-rc.3.2">>},0},
  {<<"opentelemetry_telemetry">>,
   {pkg,<<"opentelemetry_telemetry">>,<<"1.0.0-beta.4">>},
   0},
@@ -7,12 +7,12 @@
  {<<"telemetry_registry">>,{pkg,<<"telemetry_registry">>,<<"0.3.0">>},1}]}.
 [
 {pkg_hash,[
- {<<"opentelemetry_api">>, <<"D183663C178F317A109A267B3C3664D09DB22829A4D4EEA8D9AF46ED3E5BEE05">>},
+ {<<"opentelemetry_api">>, <<"588EBF85FA7D18EBA8DB297B7D0A2A654F680F35C4466CD0045CD12A6FDA27D7">>},
  {<<"opentelemetry_telemetry">>, <<"74B2A9DE1B2F1C22955A2FA3263D65A979FD64BF69D3D1571B5C34FDFED95CFA">>},
  {<<"telemetry">>, <<"0F453A102CDF13D506B7C0AB158324C337C41F1CC7548F0BC0E130BBF0AE9452">>},
  {<<"telemetry_registry">>, <<"6768F151EA53FC0FBCA70DBFF5B20A8D663EE4E0C0B2AE589590E08658E76F1E">>}]},
 {pkg_hash_ext,[
- {<<"opentelemetry_api">>, <<"4B836CEC1B531080C310FA54AFCA6E523984A1F6C1AEB5D4DA537DAD9E309CE9">>},
+ {<<"opentelemetry_api">>, <<"1E0BA55DB6718D5797E72C00E3821E60E02F7829E3FB64DC1A7C96F7C2776A58">>},
  {<<"opentelemetry_telemetry">>, <<"6EBBA3C47A26460A7302BFCDCCF87582EEB1A71C2E6ABC47845787DCD04FB256">>},
  {<<"telemetry">>, <<"73BC09FA59B4A0284EFB4624335583C528E07EC9AE76ACA96EA0673850AEC57A">>},
  {<<"telemetry_registry">>, <<"492E2ADBC609F3E79ECE7F29FEC363A97A2C484AC78A83098535D6564781E917">>}]}
diff --git a/instrumentation/opentelemetry_cowboy/src/opentelemetry_cowboy.app.src b/instrumentation/opentelemetry_cowboy/src/opentelemetry_cowboy.app.src
index 5674e1a..8808657 100644
--- a/instrumentation/opentelemetry_cowboy/src/opentelemetry_cowboy.app.src
+++ b/instrumentation/opentelemetry_cowboy/src/opentelemetry_cowboy.app.src
@@ -1,5 +1,5 @@
 {application, opentelemetry_cowboy,
- [{description, "An OTP library"},
+ [{description, "OpenTelemetry Cowboy Instrumentation"},
   {vsn, "0.1.0"},
   {registered, []},
   {applications,
@@ -12,6 +12,7 @@
   {env,[]},
   {modules, []},
 
+  {doc, "doc"},
   {licenses, ["Apache 2.0"]},
-  {links, []}
+  {links, [{"GitHub", "https://github.com/open-telemetry/opentelemetry-erlang-contrib/tree/main/instrumentation/opentelemetry_cowboy"}]}
  ]}.
diff --git a/instrumentation/opentelemetry_ecto/mix.lock b/instrumentation/opentelemetry_ecto/mix.lock
index 64e7aa3..a5d1a3f 100644
--- a/instrumentation/opentelemetry_ecto/mix.lock
+++ b/instrumentation/opentelemetry_ecto/mix.lock
@@ -18,7 +18,7 @@
   "makeup_erlang": {:hex, :makeup_erlang, "0.1.1", "3fcb7f09eb9d98dc4d208f49cc955a34218fc41ff6b84df7c75b3e6e533cc65f", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}], "hexpm", "174d0809e98a4ef0b3309256cbf97101c6ec01c4ab0b23e926a9e17df2077cbb"},
   "nimble_parsec": {:hex, :nimble_parsec, "1.1.0", "3a6fca1550363552e54c216debb6a9e95bd8d32348938e13de5eda962c0d7f89", [:mix], [], "hexpm", "08eb32d66b706e913ff748f11694b17981c0b04a33ef470e33e11b3d3ac8f54b"},
   "opentelemetry": {:hex, :opentelemetry, "1.0.0-rc.3", "d2698bee882c354274563ee85d097bb736a9adb8d8ed376a4deea0cd3a14bb31", [:rebar3], [{:opentelemetry_api, "~> 1.0.0-rc.3", [hex: :opentelemetry_api, repo: "hexpm", optional: false]}], "hexpm", "c9105933df0d783d94cf08d79206eb8d6578abc0bcbd498d0b497ec62a4e30a8"},
-  "opentelemetry_api": {:hex, :opentelemetry_api, "1.0.0-rc.3.1", "d183663c178f317a109a267b3c3664d09db22829a4d4eea8d9af46ed3e5bee05", [:mix, :rebar3], [], "hexpm", "4b836cec1b531080c310fa54afca6e523984a1f6c1aeb5d4da537dad9e309ce9"},
+  "opentelemetry_api": {:hex, :opentelemetry_api, "1.0.0-rc.3.2", "588ebf85fa7d18eba8db297b7d0a2a654f680f35c4466cd0045cd12a6fda27d7", [:mix, :rebar3], [], "hexpm", "1e0ba55db6718d5797e72c00e3821e60e02f7829e3fb64dc1a7c96f7c2776a58"},
   "opentelemetry_exporter": {:hex, :opentelemetry_exporter, "1.0.0-rc.3", "76f5657d4c94a12003d9ed2c8da1023c815e98f5553184dbb0cdaeec76db676d", [:rebar3], [{:grpcbox, ">= 0.0.0", [hex: :grpcbox, repo: "hexpm", optional: false]}, {:opentelemetry, "~> 1.0.0-rc.3", [hex: :opentelemetry, repo: "hexpm", optional: false]}, {:opentelemetry_api, "~> 1.0.0-rc.3", [hex: :opentelemetry_api, repo: "hexpm", optional: false]}], "hexpm", "267f0e4c3f1f5557cc7ad6ac71d66b8eaf7b3b56fde942c21f8a0bc96174fe1e"},
   "postgrex": {:hex, :postgrex, "0.15.11", "50abbb50f33d22d79af402e549b9a566ba4f0451b4f5fd39b72d9bbd49743d24", [:mix], [{:connection, "~> 1.0", [hex: :connection, repo: "hexpm", optional: false]}, {:db_connection, "~> 2.1", [hex: :db_connection, repo: "hexpm", optional: false]}, {:decimal, "~> 1.5 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}], "hexpm", "6f0e5c3ea10f97468f5ff852277cb207f068399eb68b0c06c142ef68a4e82952"},
   "telemetry": {:hex, :telemetry, "1.0.0", "0f453a102cdf13d506b7c0ab158324c337c41f1cc7548f0bc0e130bbf0ae9452", [:rebar3], [], "hexpm", "73bc09fa59b4a0284efb4624335583c528e07ec9ae76aca96ea0673850aec57a"},
diff --git a/instrumentation/opentelemetry_phoenix/mix.lock b/instrumentation/opentelemetry_phoenix/mix.lock
index a2be102..4815792 100644
--- a/instrumentation/opentelemetry_phoenix/mix.lock
+++ b/instrumentation/opentelemetry_phoenix/mix.lock
@@ -19,7 +19,7 @@
   "mime": {:hex, :mime, "2.0.1", "0de4c81303fe07806ebc2494d5321ce8fb4df106e34dd5f9d787b637ebadc256", [:mix], [], "hexpm", "7a86b920d2aedce5fb6280ac8261ac1a739ae6c1a1ad38f5eadf910063008942"},
   "nimble_parsec": {:hex, :nimble_parsec, "1.1.0", "3a6fca1550363552e54c216debb6a9e95bd8d32348938e13de5eda962c0d7f89", [:mix], [], "hexpm", "08eb32d66b706e913ff748f11694b17981c0b04a33ef470e33e11b3d3ac8f54b"},
   "opentelemetry": {:hex, :opentelemetry, "1.0.0-rc.3", "d2698bee882c354274563ee85d097bb736a9adb8d8ed376a4deea0cd3a14bb31", [:rebar3], [{:opentelemetry_api, "~> 1.0.0-rc.3", [hex: :opentelemetry_api, repo: "hexpm", optional: false]}], "hexpm", "c9105933df0d783d94cf08d79206eb8d6578abc0bcbd498d0b497ec62a4e30a8"},
-  "opentelemetry_api": {:hex, :opentelemetry_api, "1.0.0-rc.3.1", "d183663c178f317a109a267b3c3664d09db22829a4d4eea8d9af46ed3e5bee05", [:mix, :rebar3], [], "hexpm", "4b836cec1b531080c310fa54afca6e523984a1f6c1aeb5d4da537dad9e309ce9"},
+  "opentelemetry_api": {:hex, :opentelemetry_api, "1.0.0-rc.3.2", "588ebf85fa7d18eba8db297b7d0a2a654f680f35c4466cd0045cd12a6fda27d7", [:mix, :rebar3], [], "hexpm", "1e0ba55db6718d5797e72c00e3821e60e02f7829e3fb64dc1a7c96f7c2776a58"},
   "opentelemetry_exporter": {:hex, :opentelemetry_exporter, "1.0.0-rc.3", "76f5657d4c94a12003d9ed2c8da1023c815e98f5553184dbb0cdaeec76db676d", [:rebar3], [{:grpcbox, ">= 0.0.0", [hex: :grpcbox, repo: "hexpm", optional: false]}, {:opentelemetry, "~> 1.0.0-rc.3", [hex: :opentelemetry, repo: "hexpm", optional: false]}, {:opentelemetry_api, "~> 1.0.0-rc.3", [hex: :opentelemetry_api, repo: "hexpm", optional: false]}], "hexpm", "267f0e4c3f1f5557cc7ad6ac71d66b8eaf7b3b56fde942c21f8a0bc96174fe1e"},
   "opentelemetry_telemetry": {:hex, :opentelemetry_telemetry, "1.0.0-beta.4", "74b2a9de1b2f1c22955a2fa3263d65a979fd64bf69d3d1571b5c34fdfed95cfa", [:mix, :rebar3], [{:opentelemetry_api, "~> 1.0.0-rc.3", [hex: :opentelemetry_api, repo: "hexpm", optional: false]}, {:telemetry, "~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}, {:telemetry_registry, "~> 0.3.0", [hex: :telemetry_registry, repo: "hexpm", optional: false]}], "hexpm", "6ebba3c47a26460a7302bfcdccf87582eeb1a71c2e6abc47845787dcd04fb256"},
   "plug": {:hex, :plug, "1.12.1", "645678c800601d8d9f27ad1aebba1fdb9ce5b2623ddb961a074da0b96c35187d", [:mix], [{:mime, "~> 1.0 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:plug_crypto, "~> 1.1.1 or ~> 1.2", [hex: :plug_crypto, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4.3 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "d57e799a777bc20494b784966dc5fbda91eb4a09f571f76545b72a634ce0d30b"},