--- a/xml/en/docs/http/ngx_http_scgi_module.xml
+++ b/xml/en/docs/http/ngx_http_scgi_module.xml
@@ -10,7 +10,7 @@
 <module name="Module ngx_http_scgi_module"
         link="/en/docs/http/ngx_http_scgi_module.html"
         lang="en"
-        rev="19">
+        rev="20">
 
 <section id="summary">
 
@@ -69,8 +69,8 @@ system to auto-assign the local IP addre
 Sets the <value>size</value> of the buffer used for reading the first part
 of the response received from the SCGI server.
 This part usually contains a small response header.
-By default, the buffer size is equal to the size of one
-buffer set by the <link id="scgi_buffers"/> directive.
+By default, the buffer size is equal to one memory page.
+This is either 4K or 8K, depending on a platform.
 It can be made smaller, however.
 </para>