1 files changed, 8 insertions, 0 deletions
diff --git a/HelpMe.md b/HelpMe.md
index 2da834c..2bd1e02 100644
--- a/HelpMe.md
+++ b/HelpMe.md
@@ -600,6 +600,14 @@ As DiceParser provides more and more features, you may find several ways to do t
 
 The merge operator is useful when you want to use dice operator on all rolled dice.
 
+```Bad```
+> 1d20K1+1d10K1
+
+```Good```
+> 1d20+1d10
+
+The k operator to keeps as many dice as you roll is pretty useless because it is the default behaviour.
+
 ## Plateform specific documentation
 
 ### Roll dice on each platform