diff --git a/crates/matrix-sdk-crypto-js/.gitignore b/crates/matrix-sdk-crypto-js/.gitignore
index 5dffd5f39..4029dd2a8 100644
--- a/crates/matrix-sdk-crypto-js/.gitignore
+++ b/crates/matrix-sdk-crypto-js/.gitignore
@@ -1,3 +1,3 @@
 /docs
 /node_modules
-/package-lock.json
\ No newline at end of file
+/package-lock.json
diff --git a/crates/matrix-sdk-crypto-js/Cargo.toml b/crates/matrix-sdk-crypto-js/Cargo.toml
index 7c58d489f..492cf2daf 100644
--- a/crates/matrix-sdk-crypto-js/Cargo.toml
+++ b/crates/matrix-sdk-crypto-js/Cargo.toml
@@ -27,8 +27,8 @@ qrcode = ["matrix-sdk-crypto/qrcode"]
 docsrs = []
 
 [dependencies]
-matrix-sdk-crypto = { version = "0.5.0", path = "../matrix-sdk-crypto" }
 matrix-sdk-common = { version = "0.5.0", path = "../matrix-sdk-common" }
+matrix-sdk-crypto = { version = "0.5.0", path = "../matrix-sdk-crypto" }
 ruma = { version = "0.6.2", features = ["client-api-c", "js", "rand", "unstable-msc2676", "unstable-msc2677"] }
 vodozemac = {  git = "https://github.com/matrix-org/vodozemac/", rev = "d0e744287a14319c2a9148fef3747548c740fc36", features = ["js"] }
 wasm-bindgen = "0.2.80"
diff --git a/crates/matrix-sdk-crypto-js/README.md b/crates/matrix-sdk-crypto-js/README.md
index 6ac2d6e5e..7ff2e718a 100644
--- a/crates/matrix-sdk-crypto-js/README.md
+++ b/crates/matrix-sdk-crypto-js/README.md
@@ -1,19 +1,19 @@
 # `matrix-sdk-crypto-js`
 
 Welcome to the [WebAssembly] + JavaScript binding for the Rust
-[`matrix-sdk-crypto`] library! WebAssembly can run anywhere, but this
-binding is designed to run on a JavaScript host. This binding is part
-of the [`matrix-rust-sdk`] project, which is a library implementation
-of a [Matrix] client-server.
+[`matrix-sdk-crypto`] library! WebAssembly can run anywhere, but these
+bindings are designed to run on a JavaScript host. These bindings are
+part of the [`matrix-rust-sdk`] project, which is a library
+implementation of a [Matrix] client-server.
 
-`matrix-sdk-crypto-js` is a no-network-IO implementation of a state
+`matrix-sdk-crypto` is a no-network-IO implementation of a state
 machine, named `OlmMachine`, that handles E2EE ([End-to-End
 Encryption](https://en.wikipedia.org/wiki/End-to-end_encryption)) for
 [Matrix] clients.
 
 ## Usage
 
-This WebAssembly binding is written in [Rust]. To build this binding, you
+These WebAssembly bindings are written in [Rust]. To build them, you
 need to install the Rust compiler, see [the Install Rust
 Page](https://www.rust-lang.org/tools/install). Then, the workflow is
 pretty classical by using [npm], see [the Downloading and installing
@@ -29,8 +29,9 @@ $ npm run build
 $ npm run test
 ```
 
-A `matrix_sdk_crypto.js`, `matrix_sdk_crypto.d.ts` and a `matrix_sdk_crypto_bg.wasm` files should be
-generated in the `pkg/` directory.
+A `matrix_sdk_crypto.js`, `matrix_sdk_crypto.d.ts` and a
+`matrix_sdk_crypto_bg.wasm` files should be generated in the `pkg/`
+directory.
 
 TBD
 
diff --git a/crates/matrix-sdk-crypto-js/src/machine.rs b/crates/matrix-sdk-crypto-js/src/machine.rs
index 1dafec33d..e6f45175d 100644
--- a/crates/matrix-sdk-crypto-js/src/machine.rs
+++ b/crates/matrix-sdk-crypto-js/src/machine.rs
@@ -84,9 +84,9 @@ impl OlmMachine {
     pub fn tracked_users(&self) -> Set {
         let set = Set::new(&JsValue::UNDEFINED);
 
-        self.inner.tracked_users().into_iter().map(identifiers::UserId::from).for_each(|user| {
-            set.add(&user.into());
-        });
+        for user in self.inner.tracked_users() {
+            set.add(&identifiers::UserId::from(user).into());
+        }
 
         set
     }