diff --git a/doc/html/intel_knl.shtml b/doc/html/intel_knl.shtml
index 09b75e314e9bdc9a7866db37341033bc4e903059..065c1245860886b389fd724ec050371927198f72 100644
--- a/doc/html/intel_knl.shtml
+++ b/doc/html/intel_knl.shtml
@@ -183,7 +183,10 @@ available and active feature fields and not modified by the NodeFeatures
 plugin.</p>
 
 <p>NOTE: For Dell KNL systems you must also include the<i>SystemType=Dell</i>
-option for successful operation.</p>
+option for successful operation and will likely need to increase the
+<i>SyscfgTimeout</i> to allow enough time for the command to successfully
+complete.  Experience at one site has shown that a 10 second timeout may
+be necessary, configured as <i>SyscfgTimeout=10000</i>.</p>
 
 <p>Slurm does not support the concept of multiple NUMA nodes
 within a single socket. If a KNL node is booted with multiple NUMA, then each
diff --git a/doc/man/man5/knl.conf.5 b/doc/man/man5/knl.conf.5
index 3b74cb784a0afa1bfb2587110ef0606805480b3d..9d60efcf55d46760660c151f19bf47dade216035 100644
--- a/doc/man/man5/knl.conf.5
+++ b/doc/man/man5/knl.conf.5
@@ -171,7 +171,7 @@ This parameter is used only by the "knl_generic" plugin.
 \fBSyscfgTimeout\fR
 Timeout for \fBsyscfg\fR program in milliseconds.
 Default value is 1000 milliseconds.
-For Dell KNL systems, experience has shown that a higher value of 4000
+For Dell KNL systems, experience has shown that a higher value of 10000
 milliseconds is more appropriate.
 
 .TP