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AMWA-TV · May 17, 2021 · 320c0d7 · 320c0d7
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commit 320c0d7
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/docs/2.1. APIs - Common Keys.md b/docs/2.1. APIs - Common Keys.md
@@ -95,9 +95,9 @@ where:
 - the optional subclassification is the portion of the URN which follows the first occurrence of a `.` prior to any `/` character. By convention, URNs which begin `urn:x-nmos:` will never include a further `:` after the first occurrence of a `.`.
 - the optional version is the portion of the URN which follows the first occurrence of a `/`, up to and including the remainder of the URN. By convention, URNs which begin `urn:x-nmos:` will format the version as `v<MAJOR>.<MINOR>` and SHOULD be handled as specified in [APIs](2.0.%20APIs.md).
 
-All subclassifications will share features with the concept identified by the associated base URN which will permit a common approach.
+A subclassification is more constrained than its URN base.  For example, the URN base `urn:x-nmos:transport:rtp` above has two subclassifications of `ucast` and `mcast`.
 
-For example, the URN base `urn:x-nmos:transport:rtp` above has two subclassifications of `ucast` and `mcast`.
+Further subclassifications might be defined for a URN base in the future.
 
 Versioned URNs will be used to indicate specification versions.