Update All-Projects config documentation

Solves: Jira GER-1786
Change-Id: I635b10895cbb4d91df0ae81624258f19719a332a

src/main/resources/Documentation/config-project-level.md

diff --git a/src/main/resources/Documentation/config-project-level.md b/src/main/resources/Documentation/config-project-level.md
index ef8192c..eb9a44d 100644
--- a/src/main/resources/Documentation/config-project-level.md
+++ b/src/main/resources/Documentation/config-project-level.md
@@ -7,6 +7,7 @@
 ```
     [EventListeners]
       enabled = True
+    [EventsFilter]
       blockedRef = refs/heads/temp/*
       blockedRef = ^refs/heads/user/.*
       blockedProject = user/projects/*
@@ -16,7 +17,7 @@
 
 ## Section "EventListeners" ##
 
-Configuration for which Gerrit events should trigger Eiffel event creation.
+Configuration for if Gerrit events should trigger Eiffel event creation.
 
 ### Settings ###
 
@@ -24,6 +25,13 @@
 : Whether or not Gerrit events should trigger Eiffel event creation.
   (Default: _True_).
 
+
+## Section "EventsFilter" ##
+
+  Configuration for which Gerrit events should trigger Eiffel event creation.
+
+### Settings ###
+
 blockedRef
 : Pattern(s) that blocks event creation for all matching refs.
   Supported: REGEX - if starts with "^", WILDCARD - if ends with "*", EXACT - in other cases.