Update change record

SDC-006.tex

@@ -11,6 +11,7 @@
 \setDocProgram{SDC}
 
 \setDocChangeRecord{
+  \addChangeRecord{0.3}{2021-05-07}{Detailed response to comments from Pizzo}
   \addChangeRecord{0.2}{2021-04-16}{Revised draft for distribution to A\&O}
   \addChangeRecord{0.1}{2021-02-18}{Initial draft for distribution}
 }