diff --git a/doc/utils/sphinx-config/false_positives.txt b/doc/utils/sphinx-config/false_positives.txt
index f8bc9ca10a..750a3df882 100644
--- a/doc/utils/sphinx-config/false_positives.txt
+++ b/doc/utils/sphinx-config/false_positives.txt
@@ -2017,6 +2017,7 @@ Nrecompute
 Nrepeat
 nreset
 Nrho
+Nroff
 nrun
 Ns
 Nsample