diff --git a/doc/utils/sphinx-config/false_positives.txt b/doc/utils/sphinx-config/false_positives.txt
index af91745034..e6ecd4e136 100644
--- a/doc/utils/sphinx-config/false_positives.txt
+++ b/doc/utils/sphinx-config/false_positives.txt
@@ -3360,6 +3360,7 @@ Rmin
 RMS
 rmsd
 rnage
+rnflag
 rng
 rNEMD
 ro