diff --git a/CHANGELOG.md b/CHANGELOG.md
index dbf3108..6553d56 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## next
+### Added:
+- Implemented `JsonSchema` on types from `smallvec` and `arrayvec` (as optional dependencies)
+
 ## 0.6.4 - 2019-12-27
 ### Added:
 - Implemented `JsonSchema` on types from `indexmap`, `either` and `uuid` (as optional dependencies)
diff --git a/README.md b/README.md
index b35304e..28d375c 100644
--- a/README.md
+++ b/README.md
@@ -207,9 +207,13 @@ fn main() {
 `#[serde(...)]` attributes can be overriden using `#[schemars(...)]` attributes, which behave identically (e.g. `#[schemars(rename_all = "camelCase")]`). You may find this useful if you want to change the generated schema without affecting Serde's behaviour, or if you're just not using Serde.
 
 ## Feature Flags
-- `chrono` - implements `JsonSchema` for all [Chrono](https://github.com/chronotope/chrono) types which are serializable by Serde.
-- `indexmap` - implements `JsonSchema` on `IndexMap` and `IndexSet` from [indexmap](https://github.com/bluss/indexmap).
-- `either` - implements `JsonSchema` on [`Either`](https://github.com/bluss/either).
-- `uuid` - implements `JsonSchema` on [`Uuid`](https://github.com/uuid-rs/uuid).
 - `impl_json_schema` - implements `JsonSchema` for Schemars types themselves
 
+## Optional Dependencies
+Schemars can implement `JsonSchema` on types from several popular crates, enabled via optional dependencies (dependency versions are shown in brackets):
+- [`chrono`](https://crates.io/crates/chrono) (^0.4)
+- [`indexmap`](https://crates.io/crates/indexmap) (^1.2)
+- [`either`](https://crates.io/crates/either) (^1.3)
+- [`uuid`](https://crates.io/crates/uuid) (^0.8)
+- [`smallvec`](https://crates.io/crates/uuid) (^1.0)
+- [`arrayvec`](https://crates.io/crates/arrayvec) (^0.5)
diff --git a/docs/4-features.md b/docs/4-features.md
index 8c2d601..04bb95a 100644
--- a/docs/4-features.md
+++ b/docs/4-features.md
@@ -13,21 +13,14 @@ Some functionality can be selectively enabled/disabled via [Cargo features](http
 schemars = { version = "0.6", features = ["chrono"] }
 ```
 
-<div class="indented">
+## Feature Flags
+- `impl_json_schema` - implements `JsonSchema` for Schemars types themselves
 
-### impl_json_schema
-Implements `JsonSchema` on Schemars types themselves.
-
-### chrono
-Implements `JsonSchema` on all [Chrono](https://github.com/chronotope/chrono) types which are serializable by Serde.
-
-### indexmap
-Implements `JsonSchema` on `IndexMap` and `IndexSet` from [indexmap](https://github.com/bluss/indexmap).
-
-### either
-Implements `JsonSchema` on [`Either`](https://github.com/bluss/either).
-
-### uuid
-Implements `JsonSchema` on [`Uuid`](https://github.com/uuid-rs/uuid).
-
-</div>
+## Optional Dependencies
+Schemars can implement `JsonSchema` on types from several popular crates, enabled via optional dependencies (dependency versions are shown in brackets):
+- [`chrono`](https://crates.io/crates/chrono) (^0.4)
+- [`indexmap`](https://crates.io/crates/indexmap) (^1.2)
+- [`either`](https://crates.io/crates/either) (^1.3)
+- [`uuid`](https://crates.io/crates/uuid) (^0.8)
+- [`smallvec`](https://crates.io/crates/uuid) (^1.0)
+- [`arrayvec`](https://crates.io/crates/arrayvec) (^0.5)
diff --git a/schemars/Cargo.toml b/schemars/Cargo.toml
index facdf70..950ca8a 100644
--- a/schemars/Cargo.toml
+++ b/schemars/Cargo.toml
@@ -23,8 +23,6 @@ either = { version = "1.3", default-features = false, optional = true }
 uuid = { version = "0.8", default-features = false, optional = true }
 smallvec = { version = "1.0", optional = true }
 arrayvec = { version = "0.5", default-features = false, optional = true }
-# TODO implement JsonSchema on bytes types. bytes 0.5 requires Rust 1.39+
-# bytes = { version = "0.5", default-features = false, optional = true }
 
 [dev-dependencies]
 pretty_assertions = "0.6.1"
diff --git a/schemars/src/lib.rs b/schemars/src/lib.rs
index af08336..21c6b30 100644
--- a/schemars/src/lib.rs
+++ b/schemars/src/lib.rs
@@ -201,8 +201,16 @@ fn main() {
 `#[serde(...)]` attributes can be overriden using `#[schemars(...)]` attributes, which behave identically (e.g. `#[schemars(rename_all = "camelCase")]`). You may find this useful if you want to change the generated schema without affecting Serde's behaviour, or if you're just not using Serde.
 
 ## Feature Flags
-- `chrono` - implements `JsonSchema` for all [Chrono](https://github.com/chronotope/chrono) types which are serializable by Serde.
 - `impl_json_schema` - implements `JsonSchema` for Schemars types themselves
+
+## Optional Dependencies
+Schemars can implement `JsonSchema` on types from several popular crates, enabled via optional dependencies (dependency versions are shown in brackets):
+- [`chrono`](https://crates.io/crates/chrono) (^0.4)
+- [`indexmap`](https://crates.io/crates/indexmap) (^1.2)
+- [`either`](https://crates.io/crates/either) (^1.3)
+- [`uuid`](https://crates.io/crates/uuid) (^0.8)
+- [`smallvec`](https://crates.io/crates/uuid) (^1.0)
+- [`arrayvec`](https://crates.io/crates/arrayvec) (^0.5)
 */
 
 /// The map type used by schemars types.