diff --git a/doc/utils/sphinx-config/false_positives.txt b/doc/utils/sphinx-config/false_positives.txt
index e12767fb60..fc40ad004c 100644
--- a/doc/utils/sphinx-config/false_positives.txt
+++ b/doc/utils/sphinx-config/false_positives.txt
@@ -1024,6 +1024,7 @@ fmag
 fmass
 fmm
 fmt
+fmtlib
 fmx
 fmy
 fmz