Update doc

docs/sources/reference/components/loki/loki.secretfilter.md

@@ -53,7 +53,8 @@ The `redact_with` argument is a string that can use variables such as `$SECRET_N
 
 The `exclude_generic` argument is a boolean that excludes the generic API key rule in the Gitleaks configuration file if set to `true`.
 
-The `allowlist` argument is a map of regexes to allowlist matching secrets. If a secret matches any of the regexes, it will not be redacted. The allowlist in the gitleaks configuration is also applied.
+The `allowlist` argument is a map of regular expressions to allow matching secrets.
+A secret will not be redacted if it matches any of the regular expressions. The allowlist in the Gitleaks configuration file is also applied.
 
 The `partial_mask` argument is the number of characters to show from the beginning of the secret before the redact string is added.
 If set to `0`, the entire secret is redacted.