diff --git a/docs/pages/Calculation-Configuration.md b/docs/pages/Calculation-Configuration.md
index 36778cf8e2d738baa7c2488c13c51d7b30cf5e3c..723bbb98717fd689379ad3c95deb44edf42f8171 100644
--- a/docs/pages/Calculation-Configuration.md
+++ b/docs/pages/Calculation-Configuration.md
@@ -36,7 +36,8 @@ __`site`__
    `.z2p5`                  |`Double`   | `null`                    | [7](#notes)
 __`output`__                               |
    `.directory`             |`String`   | `hazout`
-   `.dataTypes`             |`String[]` | `[ TOTAL ]`               | [`DataType`][url-datatype]
+   `.dataTypes`             |`String[]` | `[ TOTAL, MAP ]`          | [`DataType`][url-datatype]
+   `.returnPeriods`         |`Integer[]`| `[ 475, 975, 2475 ]`      | [`ReturnPeriods`][url-returnperiods]
 __`performance`__
    `.optimizeGrids`         |`Boolean`  | `true`                    | [8](#notes)
    `.smoothGrids`           |`Boolean`  | `true`                    | [9](#notes)
@@ -49,6 +50,7 @@ __`performance`__
 [url-distribution]: https://earthquake.usgs.gov/nshmp/docs/nshmp-lib/gov/usgs/earthquake/nshmp/calc/DistributionFormat.html
 [url-site]: https://earthquake.usgs.gov/nshmp/docs/nshmp-lib/gov/usgs/earthquake/nshmp/calc/Site.html
 [url-datatype]: https://earthquake.usgs.gov/nshmp/docs/nshmp-lib/gov/usgs/earthquake/nshmp/calc/DataType.html
+[url-returnperiods]: https://staging-earthquake.usgs.gov/nshmp/docs/nshmp-lib/gov/usgs/earthquake/nshmp/calc/CalcConfig.Output.html#returnPeriods
 [url-sheets]: https://earthquake.usgs.gov/nshmp/docs/nshmp-lib/gov/usgs/earthquake/nshmp/calc/ThreadCount.html
 
 ### Notes