C++: Apply documentation change suggestion

Co-authored-by: Jonas Jensen <[email protected]>

Author: andersfugmann

cpp/change-notes/2021-09-27-overflow-static.md

@@ -1,3 +1,3 @@
 lgtm,codescanning
-* Increase presition to high for "Static buffer overflow" query
-  (cpp/static-buffer-overflow).
+* Increase precision to high for the "Static buffer overflow" query
+  (`cpp/static-buffer-overflow`). This means the query is run and displayed by default on Code Scanning and LGTM.