diff --git a/IT/Scripting.md b/IT/Scripting.md
index 33aa127..a4c9ba2 100644
--- a/IT/Scripting.md
+++ b/IT/Scripting.md
@@ -84,6 +84,8 @@ The above example iterates over a space separated list of items, but if you want
 ```bash
 for i in {1..10} ; do ... ; done
 ```
+### While loops
+`while` loops operate on lists of unknown size. It will keep running until the `test` it evaluates returns false:
 
 ### While loops