Update docs/sources/reference/components/loki/loki.process.md

Co-authored-by: Clayton Cornell <[email protected]>

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

@@ -1713,7 +1713,7 @@ The following arguments are supported:
 When `overwrite_existing` is set to `true`, the stage overwrites existing extracted data fields with the same name.
 If set to `false`, the `_extracted` suffix will be appended to an already existing field name.
 
-When `drop_invalid_labels` is set to `true`, the stage drops fields that are not valid label names.
+When `drop_invalid_labels` is set to `true`, the stage drops fields that aren't valid label names.
 If set to `false`, the stage will automatically convert them into valid labels replacing invalid characters with underscores.
 
 The `windowsevent` stage expects the message to structured in sections that are split by empty lines.