Merge #518: Docs: Fix minor spelling error

82e197f Fix minor spelling error (Ali Sherief)

Pull request description:

  The [Supported Devices](https://hwi.readthedocs.io/en/latest/devices/index.html) page has a small spelling error. Instead of "security devices" it should read "security updates".

ACKs for top commit:
  achow101:
    ACK 82e197f

Tree-SHA512: 5f674c2a6fa5ecc7e02d5625e31a0e46a505097950b4d7e0eb5256c327764247d4841077d7e05b7de568ae289e736a00fb496ffdb5ab63ec5ee39982bafefebc

docs/devices/index.rst

@@ -82,7 +82,7 @@ Device support may be dropped:
 
   * If there are continuous issues with the device and the vendor has failed to provide support and updates
 
-* If the device no longer receives security devices and there are known vulnerabilities and issues
+* If the device no longer receives security updates and there are known vulnerabilities and issues
 
 Device APIs
 ===========