--- a/xml/en/docs/http/ngx_http_core_module.xml	Wed Dec 09 18:03:47 2015 +0300
+++ b/xml/en/docs/http/ngx_http_core_module.xml	Fri Dec 11 20:40:48 2015 +0300
@@ -10,7 +10,7 @@
 <module name="Module ngx_http_core_module"
         link="/en/docs/http/ngx_http_core_module.html"
         lang="en"
-        rev="49">
+        rev="50">
 
 <section id="directives" name="Directives">
 
@@ -408,7 +408,7 @@
 
 <directive name="connection_pool_size">
 <syntax><value>size</value></syntax>
-<default>256</default>
+<default>256|512</default>
 <context>http</context>
 <context>server</context>
 
@@ -416,6 +416,11 @@
 Allows accurate tuning of per-connection memory allocations.
 This directive has minimal impact on performance
 and should not generally be used.
+By default, the size is equal to
+256 bytes on 32-bit platforms and 512 bytes on 64-bit platforms.
+<note>
+Prior to version 1.9.8, the default value was 256 on all platforms.
+</note>
 </para>
 
 </directive>