Add changelog
diff --git a/src/changelog/.2.x.x/4225_plugin_processor_allowed_messages.xml b/src/changelog/.2.x.x/4225_plugin_processor_allowed_messages.xml
new file mode 100644
index 0000000..0427c07
--- /dev/null
+++ b/src/changelog/.2.x.x/4225_plugin_processor_allowed_messages.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<entry xmlns="https://logging.apache.org/xml/ns"
+       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xsi:schemaLocation="
+           https://logging.apache.org/xml/ns
+           https://logging.apache.org/xml/ns/log4j-changelog-0.xsd"
+       type="changed">
+  <issue id="4225" link="https://github.com/apache/logging-log4j2/issues/4225"/>
+  <issue id="4256" link="https://github.com/apache/logging-log4j2/pull/4256"/>
+  <description format="asciidoc">
+    Switch the default minimum allowed plugin processor message severity from NOTE to ERROR
+  </description>
+</entry>
diff --git a/src/changelog/.2.x.x/4225_plugin_processor_messages.xml b/src/changelog/.2.x.x/4225_plugin_processor_messages.xml
index f52ac66..9a8eb33 100644
--- a/src/changelog/.2.x.x/4225_plugin_processor_messages.xml
+++ b/src/changelog/.2.x.x/4225_plugin_processor_messages.xml
@@ -4,7 +4,7 @@
        xsi:schemaLocation="
            https://logging.apache.org/xml/ns
            https://logging.apache.org/xml/ns/log4j-changelog-0.xsd"
-       type="changed">
+       type="fixed">
   <issue id="4225" link="https://github.com/apache/logging-log4j2/issues/4225"/>
   <issue id="4228" link="https://github.com/apache/logging-log4j2/pull/4228"/>
   <description format="asciidoc">