diff --git a/documentation/sdk-manual/sdk-style.css b/documentation/sdk-manual/sdk-style.css
index 44381b7df4..52518964ca 100644
--- a/documentation/sdk-manual/sdk-style.css
+++ b/documentation/sdk-manual/sdk-style.css
@@ -685,6 +685,10 @@ hr {
   background-color: #f0f0f2;
 }
 
+.writernotes {
+  color: #ff0000;
+}
+
 .glossary dl dt,
 .variablelist dl dt,
 .variablelist dl dt span.term {