Updates for tfc-agent release 1.21.1 (#141)

Author: natalie-todd

website/docs/cloud-docs/agents/agents.mdx

@@ -249,7 +249,7 @@ After initiating a graceful shutdown by either of these methods, the terminal us
 
 
 * `-request-forwarding`:
-    Enable handling of forwarded HTTP requests. Enable this option only if you
+    Enable handling of forwarded HTTP requests. Enable this option only if you 
     are using product features which require it.
 
     Default: `false`
@@ -262,3 +262,4 @@ After initiating a graceful shutdown by either of these methods, the terminal us
 
 * `-v`:
     Display the version and exit.
+

website/docs/cloud-docs/agents/changelog.mdx

@@ -18,6 +18,16 @@ within each release are categorized into one or more of the following labels:
 Each version below corresponds to a release artifact available for download on
 the official [releases website](https://releases.hashicorp.com/tfc-agent/).
 
+## 1.21.1 (04/01/2025)
+
+SECURITY:
+
+* Added guards for sensitive values exposed by procfs (#776, #784)
+
+IMPROVEMENTS:
+
+* Improved backpressure signaling for request forwarding (#964)
+
 ## 1.21.0 (03/18/2025)
 
 IMPROVEMENTS: