diff --git a/src/Documentation.ts b/src/Documentation.ts
index d5f1428..2253066 100644
--- a/src/Documentation.ts
+++ b/src/Documentation.ts
@@ -113,6 +113,7 @@ export const documentation_pages = [
   "oscilloscope",
   "sample_list",
   "loading_samples",
+  "visualization"
 ];
 
 export const documentation_factory = (application: Editor) => {
diff --git a/src/documentation/patterns/patterns.ts b/src/documentation/patterns/patterns.ts
index 9488879..70b7c12 100644
--- a/src/documentation/patterns/patterns.ts
+++ b/src/documentation/patterns/patterns.ts
@@ -152,7 +152,7 @@ ${makeExample(
   "Play pitches from scale created from cent intervals",
   `
   rhythm([0.5,0.25].beat(1),14,16) :: sound('pluck')
-  .stretch(r(1,5)).pitch(r(0,6)).key(57)
+  .stretch(iR(1,5)).pitch(iR(0,6)).key(57)
 .cents(120,270,540,670,785,950,1215).out()
 `,
   true,