diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index fb387584ed5..6d5501b3b35 100644
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -1,5 +1,5 @@
@@ -2238,9 +2238,8 @@ PostgreSQL documentation
It's also possible to select no escape character by writing
ESCAPE ''. This effectively disables the
- escape mechanism and
- turns off the special meaning of underscore and percent signs in
- the pattern.
+ escape mechanism, which makes it impossible to turn off the
+ special meaning of underscore and percent signs in the pattern.