Mentioned the PCRE2 build in the package changelogs.

docs/nginx-module-njs.xml

diff --git a/docs/nginx-module-njs.xml b/docs/nginx-module-njs.xml
index 484963f..be372a1 100644
--- a/docs/nginx-module-njs.xml
+++ b/docs/nginx-module-njs.xml
@@ -14,6 +14,12 @@
 </para>
 </change>
 
+<change>
+<para>
+built with PCRE2
+</para>
+</change>
+
 </changes>
 
 

docs/nginx.xml

diff --git a/docs/nginx.xml b/docs/nginx.xml
index de4ace8..9ff40ff 100644
--- a/docs/nginx.xml
+++ b/docs/nginx.xml
@@ -14,6 +14,12 @@
 </para>
 </change>
 
+<change>
+<para>
+built with PCRE2
+</para>
+</change>
+
 </changes>