diff --git a/Documentation/Books/Manual/Administration/Configuration/OperatingSystem.md b/Documentation/Books/Manual/Administration/Configuration/OperatingSystem.md
index ab781f0372..154f5af048 100644
--- a/Documentation/Books/Manual/Administration/Configuration/OperatingSystem.md
+++ b/Documentation/Books/Manual/Administration/Configuration/OperatingSystem.md
@@ -67,7 +67,7 @@ From [www.kernel.org](https://www.kernel.org/doc/Documentation/sysctl/vm.txt):
 
 Execute
 
-    sudo bash -c "echo 0 >/proc/sys/vm/overcommit_memory"
+    sudo bash -c "echo 0 >/proc/sys/vm/zone_reclaim_mode"
 
 before executing `arangod`.
 
diff --git a/Documentation/Books/Manual/Graphs/README.md b/Documentation/Books/Manual/Graphs/README.md
index 01f6fa757d..43c57c53b6 100644
--- a/Documentation/Books/Manual/Graphs/README.md
+++ b/Documentation/Books/Manual/Graphs/README.md
@@ -151,6 +151,11 @@ and [Arangorestore](../Administration/Arangorestore.md) to restore a backup into
 - you need the system collection `_graphs` if you backup named graphs.
 - you need to backup the complete set of all edge and vertex collections your graph consists of. Partial dump/restore may not work.
 
+### Managing graphs
+By default you should use [the interface your driver provides to manage graphs](../HTTP/Gharial/Management.html).
+
+This is i.e. documented [in Graphs-Section of the ArangoDB Java driver](https://github.com/arangodb/arangodb-java-driver#graphs).
+
 ### Example Graphs
 
 ArangoDB comes with a set of easily graspable graphs that are used to demonstrate the APIs.