diff --git a/1-ProceduralProgramming/1-Variables.ipynb b/1-ProceduralProgramming/1-Variables.ipynb
index 663d21d5b3ef6b062f812a57595e0ed1fc5a2614..fd3087019f15f6d08fe3da90fe2c25720019ddc6 100644
--- a/1-ProceduralProgramming/1-Variables.ipynb
+++ b/1-ProceduralProgramming/1-Variables.ipynb
@@ -70,7 +70,7 @@
     "Although not mandatory, it is **strongly** recommended to give an\n",
     "initial value to your variables, as an expression between brackets. \n",
     "\n",
-    "Not providing an initial value may lead to unexpected behaviour. For instance you can't make hypothesis upon the values of `number` and `real` in the cell above: you might end-up with any value... and someone else might get other values on his/her computer!\n",
+    "Not providing an initial value may lead to unexpected behaviour. For instance you can't make hypothesis upon the values of `number` and `real` in the cell above: you might end-up with any value... and someone else might get other values on their computer!\n",
     "\n",
     "\n",
     "If you give braces without values, a predefined and associated value\n",