diff --git a/src/libstore/globals.hh b/src/libstore/globals.hh
index f62644ff1..c539ff836 100644
--- a/src/libstore/globals.hh
+++ b/src/libstore/globals.hh
@@ -1059,7 +1059,10 @@ public:
 
           1. `NIX_SSL_CERT_FILE`
           2. `SSL_CERT_FILE`
-        )"};
+        )",
+        {},
+        // Don't document the machine-specific default value
+        false};
 
 #if __linux__
     Setting<bool> filterSyscalls{