Fix typos (#5471)

docs/state_dump.md

@@ -11,5 +11,5 @@ To take a state dump, follow these steps:
 3. In case it isn't already selected, click the "Console" tab in the new Developer Tools window.
 4. In the console, type this command exactly: `logState()`. This should print a bunch of JSON text into your console.
 5. Copy that printed JSON text
-6. *Optional*: Annonymize that text if you'd like (you may change all instances of an account address to another valid account address, for example) We may automate the anonymization in the future.
+6. *Optional*: Anonymize that text if you'd like (you may change all instances of an account address to another valid account address, for example) We may automate the anonymization in the future.
 7. Send that JSON text to the developer, ideally pasting it in the issue regarding the bug.

docs/translating-guide.md

@@ -8,7 +8,7 @@ The MetaMask browser extension supports new translations added in the form of ne
 
 - Each supported language is represented by a folder in `app/_locales` whose name is that language's subtag (example: `app/_locales/es/`). (look up a language subtag using the [r12a "Find" tool](https://r12a.github.io/app-subtags/) or this [wikipedia list](https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes)).
 - Inside that folder there should be a `messages.json`. 
-- An easy way to start your translation is to first **make a copy** of `app/_locales/en/messages.json` (the english translation), and then **translate the `message` key** for each in-app message.
+- An easy way to start your translation is to first **make a copy** of `app/_locales/en/messages.json` (the English translation), and then **translate the `message` key** for each in-app message.
 - **The `description` key** is just to add context for what the translation is about, it **does not need to be translated**.
 - Add the language to the [locales index](https://github.com/MetaMask/metamask-extension/blob/master/app/_locales/index.json) `app/_locales/index.json` 
 

test/unit/development/sample-changelog.md

@@ -67,7 +67,7 @@
 - Estimating gas limit for simple ether sends now faster & cheaper, by avoiding VM usage on recipients with no code.
 - Add an extra px to address for Firefox clipping.
 - Fix Firefox scrollbar.
-- Open metamask popup for transaction confirmation before gas estimation finishes and add a loading screen over transaction confirmation.
+- Open MetaMask popup for transaction confirmation before gas estimation finishes and add a loading screen over transaction confirmation.
 - Fix bug that prevented eth_signTypedData from signing bytes.
 - Further improve gas price estimation.
 
@@ -330,7 +330,7 @@ rollback to 3.10.0 due to bug
 
 ## 3.7.7 2017-6-8
 
-- Fix bug where metamask would show old data after computer being asleep or disconnected from the internet.
+- Fix bug where MetaMask would show old data after computer being asleep or disconnected from the internet.
 
 ## 3.7.6 2017-6-5