diff --git a/content/specs/rules.md b/content/specs/rules.md
index 8571c7b..19b531e 100644
--- a/content/specs/rules.md
+++ b/content/specs/rules.md
@@ -29,7 +29,7 @@ Every provider has the parent element **providers**, it holds the reference to a
 Every provider has the following properties:
 
 - `urlPattern` (required)
-- `completeProvider` (required)
+- `completeProvider` (optional)
 - `rules` (optional)
 - `rawRules` (optional)
 - `referralMarketing` (optional)
@@ -129,4 +129,4 @@ The [**data.minify.json**](https://gitlab.com/KevinRoebert/ClearUrls/-/jobs/arti
 file is automatically generated by the GitLab CI runner from the **data.min.json** file and also the corresponding
 [**rules.minify.hash** file](https://gitlab.com/KevinRoebert/ClearUrls/-/jobs/artifacts/master/raw/rules.minify.hash?job=hash%20rules). 
 The **data.minify.json** is a minimal version of the **data.min.json** file where all line breaks and spaces, 
-as well as default values and empty lists, are removed to save bandwidth.
\ No newline at end of file
+as well as default values and empty lists, are removed to save bandwidth.