diff --git a/runtime/tutor b/runtime/tutor
index 0557183798b2..2bf83758c489 100644
--- a/runtime/tutor
+++ b/runtime/tutor
@@ -834,6 +834,28 @@ lines.
 
 
 
+=================================================================
+=         7.5 PROGRESSIVE INCREMENTING AND DECREMENTING         =
+=================================================================
+
+ Type '"#c-a' ('"#c-x') on multiple selections to progressively
+ increment (decrement) numbers.
+ 
+ 1. Move the cursor to the first line marked '-->' below.
+ 2. Move the cursor to the first '0'.
+ 3. Press '4s-c' to select all '0's.
+ 4. Press '"#' followed by 'c-a' to progressively increment the 
+    the person id ('c-x' to decrement).
+
+ --> Person 1 with id xxxx-xxxx-0
+ --> Person 2 with id xxxx-xxxx-0
+ --> Person 3 with id xxxx-xxxx-0
+ --> Person 4 with id xxxx-xxxx-0
+ --> Person 5 with id xxxx-xxxx-0
+
+
+
+
 =================================================================
 =                        CHAPTER 7 RECAP                        =
 =================================================================