diff --git a/packages/core-components/src/layout/Sidebar/SidebarOpenStateContext.tsx b/packages/core-components/src/layout/Sidebar/SidebarOpenStateContext.tsx
index 1ceb6d95cf..be15785f29 100644
--- a/packages/core-components/src/layout/Sidebar/SidebarOpenStateContext.tsx
+++ b/packages/core-components/src/layout/Sidebar/SidebarOpenStateContext.tsx
@@ -37,7 +37,16 @@ export type SidebarContextType = {
  * @public
  */
 export type SidebarOpenState = {
+  /**
+   * Whether or not the sidebar is open and full-width. When `false`, the
+   * sidebar is "closed" and typically only shows icons with no text.
+   */
   isOpen: boolean;
+
+  /**
+   * A function to set whether or not the sidebar is open. Pass `true` to open
+   * the sidebar. Pass `false` to close it.
+   */
   setOpen: (open: boolean) => void;
 };
 
@@ -82,7 +91,8 @@ export const SidebarOpenStateProvider = ({
 );
 
 /**
- * Hook to read and update the sidebar's open state.
+ * Hook to read and update the sidebar's open state, which controls whether or
+ * not the sidebar is open and full-width, or closed and only displaying icons.
  *
  * @public
  */
diff --git a/packages/core-components/src/layout/Sidebar/SidebarPinStateContext.tsx b/packages/core-components/src/layout/Sidebar/SidebarPinStateContext.tsx
index 0eb59dd119..a85929ab70 100644
--- a/packages/core-components/src/layout/Sidebar/SidebarPinStateContext.tsx
+++ b/packages/core-components/src/layout/Sidebar/SidebarPinStateContext.tsx
@@ -37,8 +37,22 @@ export type SidebarPinStateContextType = {
  * @public
  */
 export type SidebarPinState = {
+  /**
+   * Whether or not the sidebar is pinned to the `open` state. When `isPinned`
+   * is `false`, the sidebar opens and closes on hover. When `true`, the
+   * sidebar is permanently opened, regardless of user interaction.
+   */
   isPinned: boolean;
+
+  /**
+   * A function to toggle the pin state of the sidebar.
+   */
   toggleSidebarPinState: () => any;
+
+  /**
+   * Whether or not the sidebar is or should be rendered in a mobile-optimized
+   * way.
+   */
   isMobile?: boolean;
 };
 
@@ -83,7 +97,8 @@ export const SidebarPinStateProvider = ({
 );
 
 /**
- * Hook to read and update sidebar pin state.
+ * Hook to read and update sidebar pin state, which controls whether or not the
+ * sidebar is pinned open.
  *
  * @public
  */