diff --git a/postgresql/doc/src/sgml/ref/alter_opfamily.sgml b/postgresql/doc/src/sgml/ref/alter_opfamily.sgml
index ac6cfb93..d77cf47e 100644
--- a/postgresql/doc/src/sgml/ref/alter_opfamily.sgml
+++ b/postgresql/doc/src/sgml/ref/alter_opfamily.sgml
@@ -3,7 +3,7 @@ doc/src/sgml/ref/alter_opfamily.sgml
 PostgreSQL documentation
 -->
 
-<refentry id="SQL-ALTEROPFAMILY">
+<refentry id="sql-alteropfamily">
 <!--==========================orignal english content==========================
  <indexterm zone="sql-alteropfamily">
   <primary>ALTER OPERATOR FAMILY</primary>
@@ -350,7 +350,7 @@ ____________________________________________________________________________-->
     <listitem>
 <!--==========================orignal english content==========================
      <para>
-      The index method's support procedure number for a
+      The index method's support function number for a
       function associated with the operator family.
      </para>
 ____________________________________________________________________________-->
@@ -369,12 +369,12 @@ ____________________________________________________________________________-->
 <!--==========================orignal english content==========================
      <para>
       The name (optionally schema-qualified) of a function that is an index
-      method support procedure for the operator family.  If no argument list
+      method support function for the operator family.  If no argument list
       is specified, the name must be unique in its schema.
      </para>
 ____________________________________________________________________________-->
      <para>
-      作为该操作符族的一种索引方法支持过程的函数的名称（可以是模式限定的）。
+      作为该操作符族的一种索引方法支持函数的函数名称（可以是模式限定的）。
 	  如果没有指定参数列表，则该名称必须在其模式中唯一。
      </para>
     </listitem>