diff --git a/README.md b/README.md
index bdfd06f2..3871e366 100644
--- a/README.md
+++ b/README.md
@@ -13,20 +13,20 @@ CosmJS is a library that consists of many smaller npm packages within the
 [@cosmjs namespace](https://www.npmjs.com/org/cosmjs), a so called monorepo.
 Here are some of them to get an idea:
 
-| Package                               | Description                                            | Latest version                                                                                                      |
-| ------------------------------------- | ------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------- |
-| [@cosmjs/sdk38](packages/sdk38)       | A client library for the Cosmos SDK 0.38               | [![npm version](https://img.shields.io/npm/v/@cosmjs/sdk38.svg)](https://www.npmjs.com/package/@cosmjs/sdk38)       |
-| [@cosmjs/faucet](packages/faucet)     | A faucet application for node.js                       | [![npm version](https://img.shields.io/npm/v/@cosmjs/faucet.svg)](https://www.npmjs.com/package/@cosmjs/faucet)     |
-| [@cosmjs/cosmwasm](packages/cosmwasm) | Client for chains with the CosmWasm module enabled     | [![npm version](https://img.shields.io/npm/v/@cosmjs/cosmwasm.svg)](https://www.npmjs.com/package/@cosmjs/cosmwasm) |
-| [@cosmjs/crypto](packages/crypto)     | Cryptography resources for blockchain projects         | [![npm version](https://img.shields.io/npm/v/@cosmjs/crypto.svg)](https://www.npmjs.com/package/@cosmjs/crypto)     |
-| [@cosmjs/encoding](packages/encoding) | Encoding helpers for blockchain projects               | [![npm version](https://img.shields.io/npm/v/@cosmjs/encoding.svg)](https://www.npmjs.com/package/@cosmjs/encoding) |
-| [@cosmjs/math](packages/math)         | Safe integers; decimals for handling financial amounts | [![npm version](https://img.shields.io/npm/v/@cosmjs/math.svg)](https://www.npmjs.com/package/@cosmjs/math)         |
+| Package                               | Description                                                                                                                                                                                                                              | Latest                                                                                                              |
+| ------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------- |
+| [@cosmjs/sdk38](packages/sdk38)       | A client library for the Cosmos SDK 0.38                                                                                                                                                                                                 | [![npm version](https://img.shields.io/npm/v/@cosmjs/sdk38.svg)](https://www.npmjs.com/package/@cosmjs/sdk38)       |
+| [@cosmjs/faucet](packages/faucet)     | A faucet application for node.js                                                                                                                                                                                                         | [![npm version](https://img.shields.io/npm/v/@cosmjs/faucet.svg)](https://www.npmjs.com/package/@cosmjs/faucet)     |
+| [@cosmjs/cosmwasm](packages/cosmwasm) | Client for chains with the CosmWasm module enabled                                                                                                                                                                                       | [![npm version](https://img.shields.io/npm/v/@cosmjs/cosmwasm.svg)](https://www.npmjs.com/package/@cosmjs/cosmwasm) |
+| [@cosmjs/crypto](packages/crypto)     | Cryptography for blockchain projects, e.g. hashing (SHA-2, Keccak256, Ripemd160), signing (secp256k1, ed25519), HD key derivation (BIPO39, SLIP-0010), KDFs and symmetric encryption for key storage (PBKDF2, Argon2, XChaCha20Poly1305) | [![npm version](https://img.shields.io/npm/v/@cosmjs/crypto.svg)](https://www.npmjs.com/package/@cosmjs/crypto)     |
+| [@cosmjs/encoding](packages/encoding) | Encoding helpers for blockchain projects                                                                                                                                                                                                 | [![npm version](https://img.shields.io/npm/v/@cosmjs/encoding.svg)](https://www.npmjs.com/package/@cosmjs/encoding) |
+| [@cosmjs/math](packages/math)         | Safe integers; decimals for handling financial amounts                                                                                                                                                                                   | [![npm version](https://img.shields.io/npm/v/@cosmjs/math.svg)](https://www.npmjs.com/package/@cosmjs/math)         |
 
 ### Modularity
 
 We're pretty proud of the modularity and a clean dependency tree in this
 monorepo. This ensures software quality on our side and lets users pick exactly
-what they need. Here you see how everything fits together (every item is an npm
+what they need. Here you see how everything fits together (every item is a npm
 package; right depends on left):
 
 ![CosmJS dependency tree](docs/cosmjs-tree.png)
@@ -41,18 +41,19 @@ optipng cosmjs-tree.png
 
 ### Supported JS environments
 
-Currently the codebase supports the following environments:
+Currently the codebase supports the following runtime environments:
 
 1. Node.js 10+
-2. Modern browsers (Chromium/Firefox/Safari, no IE or Edge)
+2. Modern browsers (Chromium/Firefox/Safari, no Internet Explorer or
+   [Edge Spartan](https://en.wikipedia.org/wiki/Microsoft_Edge#Development))
 3. Browser extensions (Chromium/Firefox)
 
 Our current JavaScript target standard is ES2017, giving us native async/wait
 support. We use WebAssembly to implement certain crypto.
 
 We're happy to adjust this list according to users' needs as long as you don't
-ask for IE support. If your environment does not support Wasm, we can work on a
-solution with swapable implementations.
+ask for Internet Explorer support. If your environment does not support Wasm, we
+can work on a solution with swapable implementations.
 
 ## Development