diff --git a/packages/core/src/components.d.ts b/packages/core/src/components.d.ts
index 9305edc2d5..0acd915a61 100644
--- a/packages/core/src/components.d.ts
+++ b/packages/core/src/components.d.ts
@@ -3235,7 +3235,7 @@ declare global {
       highlight?: boolean;
       layout?: string;
       placement?: string;
-      scrollable?: Boolean;
+      scrollable?: boolean;
       selectedTab?: HTMLIonTabElement;
       tabs?: HTMLIonTabElement[];
       translucent?: boolean;
diff --git a/packages/core/src/components/tabbar/readme.md b/packages/core/src/components/tabbar/readme.md
index e75c9e6ee8..7882c09584 100644
--- a/packages/core/src/components/tabbar/readme.md
+++ b/packages/core/src/components/tabbar/readme.md
@@ -24,7 +24,7 @@ string
 
 #### scrollable
 
-
+boolean
 
 
 #### selectedTab
@@ -63,7 +63,7 @@ string
 
 #### scrollable
 
-
+boolean
 
 
 #### selected-tab