Fix small typos

website/source/docs/basics/terminology.html.markdown

@@ -4,7 +4,7 @@ layout: "docs"
 
 # Packer Terminology
 
-There are a handful of terms used throughout Packer documentation where
+There are a handful of terms used throughout the Packer documentation where
 the meaning may not be immediately obvious if you haven't used Packer before.
 Luckily, there are relatively few. This page documents all the terminology
 required to understand and use Packer. The terminology is in alphabetical

website/source/docs/installation.html.markdown

@@ -20,7 +20,7 @@ for your system and download it. Packer is packaged as a "zip" file.
 Next, unzip the downloaded package into a directory where Packer will be
 installed. On Unix systems, `~/packer` or `/usr/local/packer` is generally good,
 depending on whether you want to restrict the install to just your user
-or install it system-wide. On Windows systems, you can put it whereever you'd
+or install it system-wide. On Windows systems, you can put it wherever you'd
 like.
 
 After unzipping the package, the directory should contain a set of binary

website/source/intro/getting-started/parallel-builds.html.markdown

@@ -73,7 +73,7 @@ The entire template should now [look like this](https://gist.github.com/mitchell
 
 Additional builders are simply added to the `builders` array in the template.
 This tells Packer to build multiple images. The builder `type` values don't
-even need tdo be different! In fact, if you wanted to build multiple AMIs,
+even need to be different! In fact, if you wanted to build multiple AMIs,
 you can do that as well.
 
 Validate the template with `packer validate`. This is always a good practice.