Update cpp/change-notes/2021-06-21-weak-cryptographic-algorithm.md

Co-authored-by: Mathias Vorreiter Pedersen <mathiasvp@github.com>

cpp/change-notes/2021-06-21-weak-cryptographic-algorithm.md

@@ -1,2 +1,2 @@
 lgtm,codescanning
-* The "Use of a broken or risky cryptographic algorithm" (`cpp/weak-cryptographic-algorithm`) query has been further improved to reduce false positives and it's `@precision` increased to `high`.
+* The "Use of a broken or risky cryptographic algorithm" (`cpp/weak-cryptographic-algorithm`) query has been further improved to reduce false positives and its `@precision` increased to `high`.