diff --git a/Changelog.md b/Changelog.md
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,7 +1,7 @@
 ### 0.6.1.0
 
 - Handler *extractRequestStatusFromFullResponse* was replaced with handler
-  *extractExceptionFromFullResponse*. The new handler contains the error message
+  *extractExceptionFromFullResponse*. The new handler extracts the error message
   if the subrequest was terminated by an exception.
 
 ### 0.6.0.0
diff --git a/NgxExport/Tools/Subrequest.hs b/NgxExport/Tools/Subrequest.hs
--- a/NgxExport/Tools/Subrequest.hs
+++ b/NgxExport/Tools/Subrequest.hs
@@ -685,7 +685,7 @@
 -- and forwarded downstream to the client in directive /haskell_content/.
 -- Handlers __/fromFullResponse/__ and __/fromFullResponseWithException/__
 -- perform such a translation. Not all response headers are allowed being
--- forwarded downstream, and thus the handler deletes response headers with
+-- forwarded downstream, and thus the handlers delete response headers with
 -- names listed in set 'notForwardableResponseHeaders' as well as all headers
 -- with names starting with /X-Accel-/ before sending the response to the
 -- client. The set of not forwardable response headers can be customized in
@@ -696,6 +696,13 @@
 --
 -- ==== File /nginx.conf/: forward responses from location /\/full/
 -- @
+--             set $proxy_with_exception $arg_proxy$arg_exc;
+--
+--             if ($proxy_with_exception = yesyes) {
+--                 haskell_content fromFullResponseWithException $hs_subrequest;
+--                 break;
+--             }
+--
 --             if ($arg_proxy = yes) {
 --                 haskell_content fromFullResponse $hs_subrequest;
 --                 break;
@@ -714,6 +721,33 @@
 -- > Subrequest-Header: This is response from subrequest
 -- >
 -- > In backend, Custom-Header is 'Value'
+--
+-- Now let's get an error message in the response after feeding a wrong port
+-- value.
+--
+-- > $ curl -D- 'http://localhost:8010/full/?a=Value&p=8021&proxy=yes&exc=yes'
+-- > HTTP/1.1 502 Bad Gateway
+-- > Server: nginx/1.19.4
+-- > Date: Mon, 14 Dec 2020 08:24:22 GMT
+-- > Content-Length: 593
+-- > Connection: keep-alive
+-- >
+-- > HttpExceptionRequest Request {
+-- >   host                 = "127.0.0.1"
+-- >   port                 = 8021
+-- >   secure               = False
+-- >   requestHeaders       = [("Custom-Header","Value")]
+-- >   path                 = "/proxy"
+-- >   queryString          = ""
+-- >   method               = "GET"
+-- >   proxy                = Nothing
+-- >   rawBody              = False
+-- >   redirectCount        = 10
+-- >   responseTimeout      = ResponseTimeoutDefault
+-- >   requestVersion       = HTTP/1.1
+-- >   proxySecureMode      = ProxySecureWithConnect
+-- > }
+-- >  (ConnectionFailure Network.Socket.connect: <socket: 31>: does not exist (Connection refused))
 
 -- | Default set of not forwardable response headers.
 --
diff --git a/ngx-export-tools-extra.cabal b/ngx-export-tools-extra.cabal
--- a/ngx-export-tools-extra.cabal
+++ b/ngx-export-tools-extra.cabal
@@ -1,5 +1,5 @@
 name:                       ngx-export-tools-extra
-version:                    0.6.1.0
+version:                    0.6.1.1
 synopsis:                   More extra tools for Nginx haskell module
 description:                More extra tools for
         <https://github.com/lyokha/nginx-haskell-module Nginx haskell module>.