--- a/xml/en/docs/http/ngx_http_core_module.xml
+++ b/xml/en/docs/http/ngx_http_core_module.xml
@@ -1855,7 +1855,7 @@ optimization needs to be disabled.
 <context>location</context>
 
 <para>
-Sets the <value>number</value> and <value>size</value> of
+Sets the <value>number</value> and <value>size</value> of the
 buffers used for reading a response from a disk.
 </para>
 

--- a/xml/en/docs/http/ngx_http_fastcgi_module.xml
+++ b/xml/en/docs/http/ngx_http_fastcgi_module.xml
@@ -74,11 +74,11 @@ system to auto-assign the local IP addre
 
 <para>
 Sets the <value>size</value> of the buffer used for reading the first part
-of a response received from the FastCGI server.
+of the response received from the FastCGI 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="fastcgi_buffers"/> directive.
-It can be made smaller however.
+It can be made smaller, however.
 </para>
 
 </directive>
@@ -108,7 +108,7 @@ Writing to temporary files is controlled
 </para>
 
 <para>
-When buffering is disabled, a response is passed to a client synchronously,
+When buffering is disabled, the response is passed to a client synchronously,
 immediately as it is received.
 nginx will not try to read the whole response from the FastCGI server.
 The maximum size of the data that nginx can receive from the server
@@ -134,7 +134,7 @@ This capability can be disabled using th
 <context>location</context>
 
 <para>
-Sets the <value>number</value> and <value>size</value> of
+Sets the <value>number</value> and <value>size</value> of the
 buffers used for reading a response from the FastCGI server,
 for a single connection.
 By default, the buffer size is equal to one memory page.
@@ -156,8 +156,8 @@ When <link id="fastcgi_buffering">buffer
 server is enabled, limits the total <value>size</value> of buffers that
 can be busy sending a response to the client while the response is not
 yet fully read.
-In the meantime, the rest of the buffers can be used for reading a response
-and, if needed, buffering part of a response to a temporary file.
+In the meantime, the rest of the buffers can be used for reading the response
+and, if needed, buffering part of the response to a temporary file.
 By default, <value>size</value> is limited by the size of two buffers set by the
 <link id="fastcgi_buffer_size"/> and <link id="fastcgi_buffers"/> directives.
 </para>
@@ -520,12 +520,12 @@ This has higher priority than setting of
 The <header>X-Accel-Expires</header> header field sets caching time of a
 response in seconds.
 The zero value disables caching for a response.
-If a value starts with the <literal>@</literal> prefix, it sets an absolute
+If the value starts with the <literal>@</literal> prefix, it sets an absolute
 time in seconds since Epoch, up to which the response may be cached.
-If header does not include the <header>X-Accel-Expires</header> field,
+If the header does not include the <header>X-Accel-Expires</header> field,
 parameters of caching may be set in the header fields
 <header>Expires</header> or <header>Cache-Control</header>.
-If a header includes the <header>Set-Cookie</header> field, such a
+If the header includes the <header>Set-Cookie</header> field, such a
 response will not be cached.
 Processing of one or more of these response header fields can be disabled
 using the <link id="fastcgi_ignore_headers"/> directive.
@@ -605,7 +605,7 @@ the <link id="fastcgi_pass_header"/> dir
 
 <para>
 Determines whether the connection with a FastCGI server should be
-closed when a client closes a connection without waiting
+closed when a client closes the connection without waiting
 for a response.
 </para>
 
@@ -742,8 +742,8 @@ When <link id="fastcgi_buffering">buffer
 server is enabled, and the whole response does not fit into the memory buffers
 set by the <link id="fastcgi_buffer_size"/> and <link id="fastcgi_buffers"/>
 directives, a part of the response can be saved to a temporary file.
-This directive sets the maximum <value>size</value> of a temporary file.
-The size of data written to a temporary file at a time is set
+This directive sets the maximum <value>size</value> of the temporary file.
+The size of data written to the temporary file at a time is set
 by the <link id="fastcgi_temp_file_write_size"/> directive.
 </para>
 
@@ -858,7 +858,7 @@ Can be used along with the <link id="fas
 
 <para>
 Sets a <value>parameter</value> that should be passed to the FastCGI server.
-A <value>value</value> can contain text, variables, and their combination.
+The <value>value</value> can contain text, variables, and their combination.
 These directives are inherited from the previous level if and
 only if there are no
 <literal>fastcgi_param</literal>
@@ -1217,7 +1217,7 @@ a temporary file might look like this:
 <section id="parameters" name="Parameters Passed to a FastCGI Server">
 
 <para>
-HTTP request header fields are passed to the FastCGI server as parameters.
+HTTP request header fields are passed to a FastCGI server as parameters.
 In applications and scripts running as FastCGI servers,
 these parameters are usually made available as environment variables.
 For example, the <header>User-Agent</header> header field is passed as the

--- a/xml/en/docs/http/ngx_http_memcached_module.xml
+++ b/xml/en/docs/http/ngx_http_memcached_module.xml
@@ -77,9 +77,9 @@ system to auto-assign the local IP addre
 <context>location</context>
 
 <para>
-Sets the <value>size</value> of the buffer used for reading a response
+Sets the <value>size</value> of the buffer used for reading the response
 received from the memcached server.
-A response is passed to a client synchronously, as soon as it is received.
+The response is passed to the client synchronously, as soon as it is received.
 </para>
 
 </directive>

--- a/xml/en/docs/http/ngx_http_proxy_module.xml
+++ b/xml/en/docs/http/ngx_http_proxy_module.xml
@@ -68,12 +68,12 @@ system to auto-assign the local IP addre
 <context>location</context>
 
 <para>
-Sets the <value>size</value> of the buffer used for reading the first part
-of a response received from the proxied server.
+Sets the size of the buffer <value>size</value> used for reading the first part
+of the response received from the proxied 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="proxy_buffers"/> directive.
-It can be made smaller however.
+It can be made smaller, however.
 </para>
 
 </directive>
@@ -102,7 +102,7 @@ Writing to temporary files is controlled
 </para>
 
 <para>
-When buffering is disabled, a response is passed to a client synchronously,
+When buffering is disabled, the response is passed to a client synchronously,
 immediately as it is received.
 nginx will not try to read the whole response from the proxied server.
 The maximum size of the data that nginx can receive from the server
@@ -128,7 +128,7 @@ This capability can be disabled using th
 <context>location</context>
 
 <para>
-Sets the <value>number</value> and <value>size</value> of
+Sets the <value>number</value> and <value>size</value> of the
 buffers used for reading a response from the proxied server,
 for a single connection.
 By default, the buffer size is equal to one memory page.
@@ -150,8 +150,8 @@ When <link id="proxy_buffering">bufferin
 server is enabled, limits the total <value>size</value> of buffers that
 can be busy sending a response to the client while the response is not
 yet fully read.
-In the meantime, the rest of the buffers can be used for reading a response
-and, if needed, buffering part of a response to a temporary file.
+In the meantime, the rest of the buffers can be used for reading the response
+and, if needed, buffering part of the response to a temporary file.
 By default, <value>size</value> is limited by the size of two buffers set by the
 <link id="proxy_buffer_size"/> and <link id="proxy_buffers"/> directives.
 </para>
@@ -520,12 +520,12 @@ This has higher priority than setting of
 The <header>X-Accel-Expires</header> header field sets caching time of a
 response in seconds.
 The zero value disables caching for a response.
-If a value starts with the <literal>@</literal> prefix, it sets an absolute
+If the value starts with the <literal>@</literal> prefix, it sets an absolute
 time in seconds since Epoch, up to which the response may be cached.
-If header does not include the <header>X-Accel-Expires</header> field,
+If the header does not include the <header>X-Accel-Expires</header> field,
 parameters of caching may be set in the header fields
 <header>Expires</header> or <header>Cache-Control</header>.
-If a header includes the <header>Set-Cookie</header> field, such a
+If the header includes the <header>Set-Cookie</header> field, such a
 response will not be cached.
 Processing of one or more of these response header fields can be disabled
 using the <link id="proxy_ignore_headers"/> directive.
@@ -772,7 +772,7 @@ connections.
 
 <para>
 Determines whether the connection with a proxied server should be
-closed when a client closes a connection without waiting
+closed when a client closes the connection without waiting
 for a response.
 </para>
 
@@ -863,8 +863,8 @@ When <link id="proxy_buffering">bufferin
 server is enabled, and the whole response does not fit into the memory buffers
 set by the <link id="proxy_buffer_size"/> and <link id="proxy_buffers"/>
 directives, a part of the response can be saved to a temporary file.
-This directive sets the maximum <value>size</value> of a temporary file.
-The size of data written to a temporary file at a time is set
+This directive sets the maximum <value>size</value> of the temporary file.
+The size of data written to the temporary file at a time is set
 by the <link id="proxy_temp_file_write_size"/> directive.
 </para>
 
@@ -1365,7 +1365,7 @@ the connection is closed.
 
 <para>
 Allows redefining the request body passed to the proxied server.
-A <value>value</value> can contain text, variables, and their combination.
+The <value>value</value> can contain text, variables, and their combination.
 </para>
 
 </directive>
@@ -1382,7 +1382,7 @@ A <value>value</value> can contain text,
 <para>
 Allows redefining or appending fields to the request header
 <link id="proxy_pass_request_headers">passed</link> to the proxied server.
-A <value>value</value> can contain text, variables, and their combinations.
+The <value>value</value> can contain text, variables, and their combinations.
 These directives are inherited from the previous level if and
 only if there are no
 <literal>proxy_set_header</literal>

--- a/xml/en/docs/http/ngx_http_rewrite_module.xml
+++ b/xml/en/docs/http/ngx_http_rewrite_module.xml
@@ -379,7 +379,7 @@ the <literal>notice</literal> level.
 
 <para>
 Sets a <value>value</value> for the specified <value>variable</value>.
-A <value>value</value> can contain text, variables, and their combination.
+The <value>value</value> can contain text, variables, and their combination.
 </para>
 
 </directive>