DOC: Fix typo so fetch is properly parsed by Cyril's converter

Signed-off-by: Nenad Merdanovic <nmerdan@anine.io>
diff --git a/doc/configuration.txt b/doc/configuration.txt
index 1099695..c4df56e 100644
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -13218,7 +13218,7 @@
   that the SSL library is build with support for TLS extensions enabled (check
   haproxy -vv).
 
-ssl_fc_is_resumed: boolean
+ssl_fc_is_resumed : boolean
   Returns true if the SSL/TLS session has been resumed through the use of
   SSL session cache or TLS tickets.