diff --git a/CHANGELOG.md b/CHANGELOG.md
index 94ebc3a1e..933ca5605 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 - Styling for the task section of the instructions (#781)
 - Styling for the instructions callouts (#788)
+- Output styles for Instructions (#790)
 
 ### Changed
 
@@ -23,7 +24,6 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ### Added
 
-- Output styles for Instructions (#790)
 - Javascript support for HTML projects (#748)
 - DownloadPanel for sidebar (#744)
 - Custom events for Log In and Sign Up from DownloadPanel (#744)
diff --git a/README.md b/README.md
index d73d43e34..d6abf8ce0 100644
--- a/README.md
+++ b/README.md
@@ -153,9 +153,15 @@ The red debugging callout is generated as follows:
 The blue generic callout is the default if no modifier is specifed:
 
 ```html
-<div class="c-project-callout">
-  {callout content here}
-</div>
+<div class="c-project-callout">{callout content here}</div>
+```
+
+##### Output
+
+This class renders a bordered `div` with monospaced text that resembles Python output. Other font styles and images are not yet supported.
+
+```html
+<div class="c-project-output">{output content}</div>
 ```
 
 ## Deployment