diff --git a/doc/configuration.txt b/doc/configuration.txt
index 5bab248..0a560d4 100644
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -12424,7 +12424,7 @@
   evaluated.
 
   Example:
-    tcp-request content use-service lua.deny { src -f /etc/haproxy/blacklist.lst }
+    tcp-request content use-service lua.deny if { src -f /etc/haproxy/blacklist.lst }
 
   Example: