diff --git a/01.md b/01.md
index 309263b..b45887e 100644
--- a/01.md
+++ b/01.md
@@ -79,7 +79,7 @@ Specific ranges define storage behaviors:
 | Ephemeral     | `20000 <= kind < 30000`           | Nothing                                                |
 | Parameterized | `30000 <= kind < 40000`           | The newest event for each `pubkey`, `kind` and `d`-tag |
 
-Parameterized Repleaceable events MUST include a `d`-tag with an 	identifier value to be used as reference. 
+Parameterized Repleaceable events MUST include a `d`-tag with an 	identifier value to be used as reference. Tag values want to reference the newest repleceable MUST use this format: `<kind>:<32-byte lowercase hex of a pubkey>:<d-tag value>`. 
 
 In case of replaceable events with the same timestamp, the event with the lowest `.id` (first in lexical order) SHOULD be retained. Older versions MAY be kept but SHOULD not be returned on queries.
 
@@ -93,7 +93,7 @@ The first element of the tag array is referred to as the tag _name_ and the seco
 
 All single-letter (only English alphabet letters: a-z, A-Z) key tags are indexed by relays for faster queries. 
 
-This NIP defines the format of 3 standard tags: `e`, `p`, and `a`. `e`, `p` can be used to reference events and pubkeys, and `a` references the latest version of a replaceable event, parameterized or not.  
+This NIP defines the format of 3 standard tags: `e`, `p`, and `a`. `e`, `p` can be used to reference events and pubkeys respectivelly, and `a` references the latest version of a replaceable event, parameterized or not. Clients MAY `a`- and `e`-tag parameterized replaceables simultaneously.
 
 | Name | Value                                                      | Other Params             | 
 | ---- | ---------------------------------------------------------- | ------------------------ |