diff --git a/doc/utils/sphinx-config/false_positives.txt b/doc/utils/sphinx-config/false_positives.txt
index ce7bdfd763..992723da76 100644
--- a/doc/utils/sphinx-config/false_positives.txt
+++ b/doc/utils/sphinx-config/false_positives.txt
@@ -304,6 +304,7 @@ Cates
 Cavium
 Cawkwell
 cbecker
+ccache
 ccachepiecewise
 ccmake
 ccNspecies