diff --git a/content/changes/2013-07-19-preview-the-new-search-api.md b/content/changes/2013-07-19-preview-the-new-search-api.md
index 269b07693a..57f3a05c82 100644
--- a/content/changes/2013-07-19-preview-the-new-search-api.md
+++ b/content/changes/2013-07-19-preview-the-new-search-api.md
@@ -14,7 +14,7 @@ Maybe you want to find [popular Tetris implementations written in Assembly][tetr
 We've got you covered.
 Or perhaps you're looking for [new gems that are using Octokit.rb][octokit-gemspecs].
 No problem.
-The possibilites are endless.
+The possibilities are endless.
 
 ## Highlights
 
diff --git a/content/changes/2013-09-25-releases-api.md b/content/changes/2013-09-25-releases-api.md
index fded2e26f3..e7a1ab9067 100644
--- a/content/changes/2013-09-25-releases-api.md
+++ b/content/changes/2013-09-25-releases-api.md
@@ -8,7 +8,7 @@ author_name: technoweenie
 This summer we made it easier to [release your software][blawg].  Today, you can fully automate those releases via the
 [Releases API Preview][api].
 
-This API is a little different due to the binary assets.  We use the `Accept` header for content negotation when requesting
+This API is a little different due to the binary assets.  We use the `Accept` header for content negotiation when requesting
 a release asset.  Pass a standard API media type to get the API representation:
 
 <pre class="terminal">
diff --git a/content/v3/auth.md b/content/v3/auth.md
index 18ffa0acc0..4b39b5e02a 100644
--- a/content/v3/auth.md
+++ b/content/v3/auth.md
@@ -62,7 +62,7 @@ addition to the username and password). The `:2fa-type` in this header indicates
 whether the account receives its two-factor authentication codes via SMS or via
 an application.
 
-In additon to the Basic Authentication credentials, you must send the user's
+In addition to the Basic Authentication credentials, you must send the user's
 authentication code (i.e., one-time password) in the `X-GitHub-OTP` header.
 Because these authentication codes expire quickly, we recommend using the
 Authorizations API to [create an access token][create-access] and using that