diff --git a/src/activities/guesscount/ActivityInfo.qml b/src/activities/guesscount/ActivityInfo.qml
--- a/src/activities/guesscount/ActivityInfo.qml
+++ b/src/activities/guesscount/ActivityInfo.qml
@@ -38,7 +38,7 @@
     //: Help prerequisite
     prerequisite: qsTr("knowledge of arithmetic operations")
     //: Help manual
-    manual: ""
+    manual: qsTr("Drag the appropriate numbers and the operators to the box to obtain the guesscount number displayed in the box.")
     credit: ""
     section: "math"
     createdInVersion: 8000