Update docs/website/docs/general-usage/credentials/config_specs.md

Co-authored-by: Anton Burnashev <[email protected]>

docs/website/docs/general-usage/credentials/config_specs.md

@@ -7,7 +7,7 @@ keywords: [credentials, secrets.toml, secrets, config, configuration, environmen
 
 # Configuration Specs
 
-Configuration Specs in `dlt` are Python `dataclasses` that define how complex configuration values,
+Configuration Specs in `dlt` are Python dataclasses that define how complex configuration values,
 particularly credentials, should be handled.
 They specify the types, defaults, and parsing methods for these values.