Update README.md

Signed-off-by: Daniel Appelquist <[email protected]>

Author: torgo

README.md

@@ -87,6 +87,7 @@ Our work is organized into several discrete-yet-related projects that help us ac
 | Memory Safety SIG | The Memory Safety SIG is a group working within the OpenSSF's Best Practices Working Group formed to advance and deliver upon The OpenSSF's Mobilization Plan - Stream 4.   |[Git Repo](https://github.com/ossf/Memory-Safety) | [Slack](https://openssf.slack.com/archives/C03G8NZH58R) | [Mailing List](https://lists.openssf.org/g/openssf-sig-memory-safety) |
 |  The Security Toolbelt | Assemble a “sterling” collection of capabilities (**software frameworks, specifications, and human and automated processes**) that work together to **automatically list, scan, remediate, and secure the components flowing through the software supply chain** that come together as software is written, built, deployed, consumed, and maintained. Each piece of the collection will represent an **interoperable** link in that supply chain, enabling adaptation and integration into the major upstream language toolchains, developer environments, and CI/CD systems. | [Security Toolbelt](https://github.com/ossf/toolbelt) | [security-toolbelt](https://openssf.slack.com/archives/C057BN7K19B) | [Mailing List]([email protected]) |
 | Python Hardening Guide SIG | A group working to document a secure coding guide for python and associates code examples | [Git Repo](https://github.com/ossf/wg-best-practices-os-developers/tree/main/docs/Secure-Coding-Guide-for-Python) | [#secure-coding-guide-for-python](https://openssf.slack.com/archives/C07LH7RH8MT) |  |
+| Web Developer Security Guidelines | A group working on security guidelines specifc to web developers. This work is happening in the W3C SWAG Community Group in coordination with the OpenSSF Best Practices working group. (W3C communith groups are open to any participant.) | [SWAG home page](https://www.w3.org/community/swag/) [Git Repo](https://github.com/w3c-cg/swag) | [#swag-cg on the W3C Community Slack](https://w3ccommunity.slack.com/archives/C079JKV32RX) |  |
 
 ## Related resources