diff --git a/src/descriptions/familySummaries.js b/src/descriptions/familySummaries.js
index 1cf26792701b0a09998eabc4b19b5809baf5afdb..66defe224a4621f7e422beb5bfece1521bc29bf4 100644
--- a/src/descriptions/familySummaries.js
+++ b/src/descriptions/familySummaries.js
@@ -31,7 +31,7 @@ App.Desc.family = (function() {
 
 	/** Splits an array of slaves by sex (nieces/nephews, aunts/uncles, brothers/sisters, etc)
 	 * @param {Array<App.Entity.SlaveState>} slaves
-	 * @returns {Object}
+	 * @returns {{m: Array<App.Entity.SlaveState>, f: Array<App.Entity.SlaveState>}}
 	 */
 	function splitBySex(slaves) {
 		let r = {m: [], f: []};