diff --git a/docs/src/api/class-browsercontext.md b/docs/src/api/class-browsercontext.md
index d1be89b693..7d6b2fead0 100644
--- a/docs/src/api/class-browsercontext.md
+++ b/docs/src/api/class-browsercontext.md
@@ -805,7 +805,7 @@ Will throw an error if the context closes before new [Page] is created.
 
 ### option: BrowserContext.waitForPage.predicate =
 * langs: csharp, java, python
-- `predicate` <[function]\([Page]\):[bool]>
+- `predicate` <[function]\([Page]\):[boolean]>
 
 Receives the [Page] object and resolves to truthy value when the waiting should resolve.
 
diff --git a/docs/src/api/class-page.md b/docs/src/api/class-page.md
index c6e7bfc434..10e2950e2b 100644
--- a/docs/src/api/class-page.md
+++ b/docs/src/api/class-page.md
@@ -2231,7 +2231,7 @@ Performs action and waits for a [ConoleMessage] to be logged by in the page. If
 Will throw an error if the page is closed before the console event is fired.
 
 ### option: Page.waitForConsoleMessage.predicate =
-- `predicate` <[function]\([ConsoleMessage]\):[bool]>
+- `predicate` <[function]\([ConsoleMessage]\):[boolean]>
 
 Receives the [ConsoleMessage] object and resolves to truthy value when the waiting should resolve.
 
@@ -2247,7 +2247,7 @@ Performs action and waits for a new [Download]. If predicate is provided, it pas
 Will throw an error if the page is closed before the download event is fired.
 
 ### option: Page.waitForDownload.predicate =
-- `predicate` <[function]\([Download]\):[bool]>
+- `predicate` <[function]\([Download]\):[boolean]>
 
 Receives the [Download] object and resolves to truthy value when the waiting should resolve.
 
@@ -2301,7 +2301,7 @@ Performs action and waits for a new [FileChooser] to be created. If predicate is
 Will throw an error if the page is closed before the file chooser is opened.
 
 ### option: Page.waitForFileChooser.predicate =
-- `predicate` <[function]\([FileChooser]\):[bool]>
+- `predicate` <[function]\([FileChooser]\):[boolean]>
 
 Receives the [FileChooser] object and resolves to truthy value when the waiting should resolve.
 
@@ -2505,7 +2505,7 @@ Performs action and waits for a popup [Page]. If predicate is provided, it passe
 Will throw an error if the page is closed before the popup event is fired.
 
 ### option: Page.waitForPopup.predicate =
-- `predicate` <[function]\([Page]\):[bool]>
+- `predicate` <[function]\([Page]\):[boolean]>
 
 Receives the [Page] object and resolves to truthy value when the waiting should resolve.
 
@@ -2704,7 +2704,7 @@ Performs action and waits for a new [WebSocket]. If predicate is provided, it pa
 Will throw an error if the page is closed before the WebSocket event is fired.
 
 ### option: Page.waitForWebSocket.predicate =
-- `predicate` <[function]\([WebSocket]\):[bool]>
+- `predicate` <[function]\([WebSocket]\):[boolean]>
 
 Receives the [WebSocket] object and resolves to truthy value when the waiting should resolve.
 
@@ -2720,7 +2720,7 @@ Performs action and waits for a new [Worker]. If predicate is provided, it passe
 Will throw an error if the page is closed before the worker event is fired.
 
 ### option: Page.waitForWorker.predicate =
-- `predicate` <[function]\([Worker]\):[bool]>
+- `predicate` <[function]\([Worker]\):[boolean]>
 
 Receives the [Worker] object and resolves to truthy value when the waiting should resolve.
 
diff --git a/docs/src/api/class-websocket.md b/docs/src/api/class-websocket.md
index d1aa1a0322..7db9ffa0dc 100644
--- a/docs/src/api/class-websocket.md
+++ b/docs/src/api/class-websocket.md
@@ -72,7 +72,7 @@ Performs action and waits for a frame to be sent. If predicate is provided, it p
 Will throw an error if the WebSocket or Page is closed before the frame is received.
 
 ### option: WebSocket.waitForFrameReceived.predicate
-- `predicate` <[function]\([WebSocketFrame]\):[bool]>
+- `predicate` <[function]\([WebSocketFrame]\):[boolean]>
 
 Receives the [WebSocketFrame] object and resolves to truthy value when the waiting should resolve.
 
@@ -87,7 +87,7 @@ Performs action and waits for a frame to be sent. If predicate is provided, it p
 Will throw an error if the WebSocket or Page is closed before the frame is sent.
 
 ### option: WebSocket.waitForFrameSent.predicate
-- `predicate` <[function]\([WebSocketFrame]\):[bool]>
+- `predicate` <[function]\([WebSocketFrame]\):[boolean]>
 
 Receives the [WebSocketFrame] object and resolves to truthy value when the waiting should resolve.