Update yangtools release notes

Correct the memory estimate and mention the ability to retain
statement source references.

Change-Id: I7ec877cee6eb6afae4d9da3a97aa1853db383ae1
Signed-off-by: Robert Varga <robert.varga@pantheon.tech>

diff --git a/docs/release-notes/projects/yangtools.rst b/docs/release-notes/projects/yangtools.rst
index eb6c0058ea3b1ddf30b1f363160e57ee9ec4ddd7..93492790d1160bc5f7245535f5b6735d54bddcb3 100644 (file)
--- a/docs/release-notes/projects/yangtools.rst
+++ b/docs/release-notes/projects/yangtools.rst
@@ -13,9 +13,12 @@ YANG parser will no longer take into account ``extension`` statements it does no
 through the appropriate support class. This may affect tools relying on our previous misguided
 attempts to interpret their meaning.
 
-YANG parser's memory efficiency has been improved by about 15% on service-provider-grade device
+YANG parser's memory efficiency has been improved by about 15-20% on service-provider-grade device
 models.
 
+YANG parser can now be configured to retain information about statement declaration, making it
+useful for IDEs and similar tools.
+
 New Features
 ============
 No new features.