diff --git a/install.py b/install.py
index f3f00ed7..3388c61a 100755
--- a/install.py
+++ b/install.py
@@ -199,7 +199,7 @@ def main():
 ===============================
 
 In order to work with GC3Pie you have to enable the virtual
-environment with the command:
+environment with the command (yes, it starts with a dot+space):
 
     . {target}/bin/activate