diff --git a/src/activities/guesscount/ActivityInfo.qml b/src/activities/guesscount/ActivityInfo.qml
index 74736369e..79796ce57 100644
--- a/src/activities/guesscount/ActivityInfo.qml
+++ b/src/activities/guesscount/ActivityInfo.qml
@@ -1,45 +1,44 @@
 /* GCompris - ActivityInfo.qml
  *
  * Copyright (C) 2016 Rahul Yadav <rahulyadav170923@gmail.com>
  *
  * Authors:
  *   Pascal Georges <pascal.georges1@free.fr> (GTK+ version)
  *   RAHUL YADAV <rahulyadav170923@gmail.com> (Qt Quick port)
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 3 of the License, or
  * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 import GCompris 1.0
 
 ActivityInfo {
     name: "guesscount/Guesscount.qml"
     difficulty: 3
     icon: "guesscount/guesscount.svg"
     author: "Rahul Yadav &lt;rahulyadav170923@gmail.com&gt;"
     demo: true
-    //: activity title
     //: Activity title
     title: qsTr("Guesscount")
     //: Help title
     description:qsTr("Guess the algebraic expression and drag the tiles to get a result equal to the Guesscount.")
     //intro: "Use the numbers and operations suggested to find the results proposed above."
     //: Help goal
     goal: qsTr("Intuition and practice of algebraic-like calculations.")
     //: Help prerequisite
     prerequisite: qsTr("knowledge of arithmetic operations")
     //: Help manual
-    manual: ""
+    manual: qsTr("Drag the appropriate numbers and the operators to the boxes to obtain the number to guess in the instruction.")
     credit: ""
     section: "math"
     createdInVersion: 8000
 }