update link to grammar

Author: lobsterkatie

docs/concepts/data-management/event-grouping/fingerprint-rules.mdx

@@ -13,7 +13,7 @@ These rules can be configured on a per-project basis in **[Project] > Settings >
 1. Identify the match logic for grouping issues together.
 1. Set the match logic and the fingerprint for it.
 
-The syntax for fingerprint rules is similar to syntax in [**Discover** queries](/concepts/search/#syntax). To negate a match, add an exclamation mark (`!`) at the beginning of the expression. See the full grammar [here](https://github.com/getsentry/sentry/blob/c5b84a393365a833348dd7fd9378d34c353ca6ca/src/sentry/grouping/fingerprinting.py#L17-L55).
+The syntax for fingerprint rules is similar to syntax in [**Discover** queries](/concepts/search/#syntax). To negate a match, add an exclamation mark (`!`) at the beginning of the expression. See the full grammar [here](https://github.com/getsentry/sentry/blob/90f5cdfa9ebaf0bfdea63852812a6efc90f13691/src/sentry/grouping/fingerprinting/__init__.py#L36-L73).
 
 Sentry attempts to match against all values that are configured in the fingerprint. In the case of stack traces, all frames are considered. If the event data matches all the values in a line for a matcher and expression, then the fingerprint is applied. When there are multiple rules that match the event, the first matching rule in the list is applied.