diff --git a/docs/src/main/asciidoc/_configprops.adoc b/docs/src/main/asciidoc/_configprops.adoc
index aad00c3a..d8046ed0 100644
--- a/docs/src/main/asciidoc/_configprops.adoc
+++ b/docs/src/main/asciidoc/_configprops.adoc
@@ -1,23 +1,23 @@
 |===
 |Name | Default | Description
 
-|feign.client.config |  | null
-|feign.client.default-config | default | null
-|feign.client.default-to-properties | true | null
+|feign.client.config |  | 
+|feign.client.default-config | default | 
+|feign.client.default-to-properties | true | 
 |feign.compression.request.enabled | false | Enables the request sent by Feign to be compressed.
 |feign.compression.request.mime-types | [text/xml, application/xml, application/json] | The list of supported mime types.
 |feign.compression.request.min-request-size | 2048 | The minimum threshold content size.
 |feign.compression.response.enabled | false | Enables the response from Feign to be compressed.
 |feign.compression.response.useGzipDecoder | false | Enables the default gzip decoder to be used.
-|feign.httpclient.connection-timeout | 2000 | null
-|feign.httpclient.connection-timer-repeat | 3000 | null
-|feign.httpclient.disable-ssl-validation | false | null
+|feign.httpclient.connection-timeout | 2000 | 
+|feign.httpclient.connection-timer-repeat | 3000 | 
+|feign.httpclient.disable-ssl-validation | false | 
 |feign.httpclient.enabled | true | Enables the use of the Apache HTTP Client by Feign.
-|feign.httpclient.follow-redirects | true | null
-|feign.httpclient.max-connections | 200 | null
-|feign.httpclient.max-connections-per-route | 50 | null
-|feign.httpclient.time-to-live | 900 | null
-|feign.httpclient.time-to-live-unit |  | null
+|feign.httpclient.follow-redirects | true | 
+|feign.httpclient.max-connections | 200 | 
+|feign.httpclient.max-connections-per-route | 50 | 
+|feign.httpclient.time-to-live | 900 | 
+|feign.httpclient.time-to-live-unit |  | 
 |feign.hystrix.enabled | false | If true, an OpenFeign client will be wrapped with a Hystrix circuit breaker.
 |feign.okhttp.enabled | false | Enables the use of the OK HTTP Client by Feign.