diff --git a/asterixdb/asterix-doc/src/site/markdown/ncservice.md b/asterixdb/asterix-doc/src/site/markdown/ncservice.md
index 66e99a8..9ef3de1 100644
--- a/asterixdb/asterix-doc/src/site/markdown/ncservice.md
+++ b/asterixdb/asterix-doc/src/site/markdown/ncservice.md
@@ -348,6 +348,7 @@
 | common  | compiler.sort.parallel                    | Enable full parallel sort for queries | true |
 | common  | compiler.sort.samples                     | The number of samples taken from each partition to guide the sort operation when full parallel sort is enabled | 100 |
 | common  | compiler.textsearchmemory                 | The memory budget (in bytes) for an inverted-index-search operator instance in a partition | 33554432 (32 MB) |
+| common  | compiler.windowmemory                     | The memory budget (in bytes) for a window operator instance in a partition | 4194304 (4 MB) |
 | common  | log.level                                 | The logging level for master and slave processes | WARNING |
 | common  | max.wait.active.cluster                   | The max pending time (in seconds) for cluster startup. After the threshold, if the cluster still is not up and running, it is considered unavailable | 60 |
 | common  | messaging.frame.count                     | Number of reusable frames for NC to NC messaging | 512 |