DOCSP-49976 Update Documents (#517)

* DOCSP-49976 Update Documents

* edits

* retrieve ex fixes

* upsert edit

* vale edit

* headings

* input format

* revert output

* edit code example and RR review

* edit

* Edit

* RR review

Author: lindseymoore

source/includes/usage-examples/code-snippets/updateMany.go

@@ -56,6 +56,7 @@ func main() {
 
 	// Prints the number of updated documents
 	fmt.Printf("Documents updated: %v\n", result.ModifiedCount)
+	// end updatemany
 
 	// When you run this file for the first time, it should print output similar to the following:
 	// Documents updated: 296