various docs updates

docs/reference/loops/for.md

@@ -1,15 +1,13 @@
 # For
 
-Repeat code a preset number of times.
-
 ### @parent blocks/language
  
-
 Repeat code a fixed number of times.
 
-### Block Editor
-
-![](/static/mb/events-0.png)
+```blocks
+for(let i = 0; i < 5; ++i) {
+}
+```
 
 The Block Editor *for* loop is different than the Touch Develop *for* loop in an important way. The above for loop will iterate *five* times, with the loop variable *i* taking on values 0, 1, 2, 3, and 4. The Touch Develop for loop shown below will iterate four times: