diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2980163..e7cdfa0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,12 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+## [0.10.1] - 27 October 2018
+
+### Add
+
+- Add test for [`array__filter`](/src/array__filter/filter.js)
+
 ## [0.10.0] - 27 October 2018
 
 ### Add
@@ -60,8 +66,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 - Removed `flow` support
 
-[Unreleased]: https://github.com/codemachiner/m/compare/v0.10.0...HEAD
+[Unreleased]: https://github.com/codemachiner/m/compare/v0.10.1...HEAD
 
+[0.10.1]: https://github.com/codemachiner/m/compare/v0.10.0...v0.10.1
 [0.10.0]: https://github.com/codemachiner/m/compare/v0.9.0...v0.10.0
 [0.9.0]: https://github.com/codemachiner/m/compare/v0.8.1...v0.9.0
 [0.8.1]: https://github.com/codemachiner/m/compare/v0.8.0...v0.8.1
diff --git a/README.md b/README.md
index 2a6575d..1a1ffbb 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ Use [Ramda](https://github.com/ramda/ramda) to be safe.
 - [Install](#install)
 - [Develop](#develop)
 - [Changelog](#changelog)
-    - [0.10.0 - 27 October 2018](#0100---27-october-2018)
+    - [0.10.1 - 27 October 2018](#0101---27-october-2018)
 
 <!-- /MarkdownTOC -->
 
@@ -97,8 +97,8 @@ Use `npm test` to run tests (any `*.test.js`) once or `npm run tdd` to watch `sr
 
 History of all changes in [CHANGELOG.md](CHANGELOG.md)
 
-### 0.10.0 - 27 October 2018
+### 0.10.1 - 27 October 2018
 
 #### Add
 
-- Add test coverage and [coveralls](https://coveralls.io/github/codemachiner/m) badge
+- Add test for [`array__filter`](/src/array__filter/filter.js)
diff --git a/src/array__filter/filter.js b/src/array__filter/filter.js
index 929e01e..156a1d5 100644
--- a/src/array__filter/filter.js
+++ b/src/array__filter/filter.js
@@ -6,7 +6,7 @@
  * @return {Array}
  *
  * @tag Array
- * @signature ( fn: Function ) => ( source: Array): Array
+ * @signature (fn: Function) => (source: Array): Array
  */
 module.exports = fn => source => {
   const filteredArray = []
diff --git a/src/array__filter/filter.test.js b/src/array__filter/filter.test.js
new file mode 100644
index 0000000..d8640d5
--- /dev/null
+++ b/src/array__filter/filter.test.js
@@ -0,0 +1,12 @@
+const test = require("tape")
+const filter = require("./filter")
+
+test("array::filter", t => {
+  t.deepEqual(
+    filter(filterElm => filterElm <= 3)([1, 2, 3, 4, 5, 6]),
+    [1, 2, 3],
+    "Keep items lower or equal than 3"
+  )
+
+  t.end()
+})