diff --git a/reference/pgsql/functions/pg-escape-string.xml b/reference/pgsql/functions/pg-escape-string.xml
index f06bdfeff1..1337ab8fd6 100644
--- a/reference/pgsql/functions/pg-escape-string.xml
+++ b/reference/pgsql/functions/pg-escape-string.xml
@@ -20,7 +20,7 @@
    <function>pg_escape_string</function> escapes a string for querying
    the database.  It returns an escaped string in the PostgreSQL
    format without quotes. <function>pg_escape_literal</function> is
-   more preffered way to escape SQL parameters for PostgreSQL.
+   more preferred way to escape SQL parameters for PostgreSQL.
    <function>addslashes</function> must not be used with PostgreSQL.
    If the type of the column is
    bytea, <function>pg_escape_bytea</function> must be used