Update RFCs/0002-pluggable-discovery.md

cmaglie · matthijskooijman · web-flow · commit bad688c885ee · 2021-05-13T14:49:39.000+02:00
Co-authored-by: Matthijs Kooijman &lt;matthijs@stdin.nl&gt;
diff --git a/RFCs/0002-pluggable-discovery.md b/RFCs/0002-pluggable-discovery.md
@@ -207,7 +207,7 @@ The `add` event looks like the following:
 }
 ```
 
-it basically provides the same information as the `list` event but for a single port. After calling `START_SYNC` an initial burst of add events may be generated in sequence to report all the ports available at the moment of the start.
+It basically provides the same information as the `list` event but for a single port. After calling `START_SYNC` an initial burst of add events must be generated in sequence to report all the ports available at the moment of the start.
 
 The `remove` event looks like the following:
 

Original file line number	Diff line number	Diff line change
@@ -207,7 +207,7 @@ The `add` event looks like the following:
`207`	`207`	`}`
`208`	`208`	```
`209`	`209`
`210`		-it basically provides the same information as the `list` event but for a single port. After calling `START_SYNC` an initial burst of add events may be generated in sequence to report all the ports available at the moment of the start.
	`210`	+It basically provides the same information as the `list` event but for a single port. After calling `START_SYNC` an initial burst of add events must be generated in sequence to report all the ports available at the moment of the start.
`211`	`211`
`212`	`212`	The `remove` event looks like the following:
`213`	`213`