runtime(tutor): Improve style for chapter 2

closes: #18786

Signed-off-by: Victorhck <[email protected]>
Signed-off-by: Christian Brabandt <[email protected]>

Author: victorhck

runtime/tutor/tutor2

@@ -115,12 +115,12 @@ REFERENCE: 	Expression Register 	:h quote=
 
   1. Move the cursor to the line below marked --->
 
-  2. yank the zeroth line, then inspect registers with :reg<ENTER>
+  2. Yank the zeroth line, then inspect registers with  :reg<ENTER>
 
-  3. delete line 0. with "cdd, then inspect registers
+  3. Delete line 0. with "cdd, then inspect registers
      (Where do you expect line 0 to be?)
 
-  4. continue deleting each successive line, inspecting :reg as you go
+  4. Continue deleting each successive line, inspecting :reg as you go
 
 NOTE: You should notice that old full-line deletions move down the list
       as new full-line deletions are added