diff --git a/doc/liza.css b/doc/liza.css
index 740e230..902eb4f 100644
--- a/doc/liza.css
+++ b/doc/liza.css
@@ -132,16 +132,27 @@ but don't sacrifice space on small screens.
     border-color: #d33682;
 }
 
-.doc-notice.dev p::before
+.doc-notice.dev p::before,
+.doc-notice.tip p::before
 {
     display: block;
     float: left;
-    color: #d33682;
-    content: '\01F6A7';
     margin-left: -1.5em;
 }
 
-.doc-notice.dev p
+.doc-notice.dev p::before
+{
+    color: #d33682;
+    content: '\01F6A7';
+}
+
+.doc-notice.tip p::before
+{
+    content: '\261E';
+}
+
+.doc-notice.dev p,
+.doc-notice.tip p
 {
     padding-left: 1.75em;
 }
diff --git a/doc/macros.texi b/doc/macros.texi
index b963462..0c4593d 100644
--- a/doc/macros.texi
+++ b/doc/macros.texi
@@ -124,6 +124,13 @@
 @end macro
 
 
+@macro tip{text}
+@noticestart{tip}
+\text\
+@noticeend
+@end macro
+
+
 @c link to source file if URI is known, otherwise display
 @c the path to the file
 @ifset SRCURI