diff --git a/docs/csaf_aggregator.md b/docs/csaf_aggregator.md
index acc1dc3..53d8506 100644
--- a/docs/csaf_aggregator.md
+++ b/docs/csaf_aggregator.md
@@ -125,8 +125,9 @@ If it is not set or set to false, then no `service.json` will be written.
 
 To further dissect CSAF-documents by criteria like document category,
 languages or values of the branch category within the Product Tree you
-can set a providers categories value. This consists of an array of either
-literal category values or, by prepending "expr:", JSONPath values.
+can set a providers categories value as an array of either
+literal categories or, by prepending "expr:", have it be read
+through JSONPath values.
 
 #### Example config file
 <!-- MARKDOWN-AUTO-DOCS:START (CODE:src=../docs/examples/aggregator.toml) -->