fix typos

Author: hackaugusto

docs/changelog.rst

@@ -4,7 +4,7 @@ Changelog
 
 * :release:`1.0.1`
 * :feature:`-` Update WebUI to version 1.0.0 https://github.com/raiden-network/webui/releases/tag/v1.0.0
-* :feature:`6220` Make sure the confiugred PFS and Matrix servers use the same ckchain and smart contracts.
+* :feature:`6220` Make sure the configured PFS and Matrix servers use the same chain and smart contracts.
 * :bug:`6224` Fix ULID generation under Windows, nanosecond clock resolution is not necessary anymore.
 
 * :release:`1.0.0`