diff --git a/doc/api/errors.md b/doc/api/errors.md
index 36df9b24a6d993..f8265aad1a4948 100644
--- a/doc/api/errors.md
+++ b/doc/api/errors.md
@@ -938,7 +938,7 @@ An operation was performed on a stream that had already been destroyed.
 ### ERR_HTTP2_MAX_PENDING_SETTINGS_ACK
 
 Whenever an HTTP/2 `SETTINGS` frame is sent to a connected peer, the peer is
-required to send an acknowledgement that it has received and applied the new
+required to send an acknowledgment that it has received and applied the new
 `SETTINGS`. By default, a maximum number of unacknowledged `SETTINGS` frames may
 be sent at any given time. This error code is used when that limit has been
 reached.
@@ -964,7 +964,7 @@ forbidden.
 <a id="ERR_HTTP2_PING_CANCEL"></a>
 ### ERR_HTTP2_PING_CANCEL
 
-An HTTP/2 ping was cancelled.
+An HTTP/2 ping was canceled.
 
 <a id="ERR_HTTP2_PING_LENGTH"></a>
 ### ERR_HTTP2_PING_LENGTH
@@ -1297,11 +1297,11 @@ A failure occurred resolving imports in an [ES6 module][].
 <a id="ERR_MULTIPLE_CALLBACK"></a>
 ### ERR_MULTIPLE_CALLBACK
 
-A callback was called more then once.
+A callback was called more than once.
 
 *Note*: A callback is almost always meant to only be called once as the query
 can either be fulfilled or rejected but not both at the same time. The latter
-would be possible by calling a callback more then once.
+would be possible by calling a callback more than once.
 
 <a id="ERR_NAPI_CONS_FUNCTION"></a>
 ### ERR_NAPI_CONS_FUNCTION
diff --git a/doc/api/http2.md b/doc/api/http2.md
index f49c1152b23fa0..a2328feea07ee2 100644
--- a/doc/api/http2.md
+++ b/doc/api/http2.md
@@ -191,7 +191,7 @@ the handler function will receive three arguments:
 added: v8.4.0
 -->
 
-The `'localSettings'` event is emitted when an acknowledgement SETTINGS frame
+The `'localSettings'` event is emitted when an acknowledgment SETTINGS frame
 has been received. When invoked, the handler function will receive a copy of
 the local settings.
 
@@ -327,7 +327,7 @@ Once destroyed, the `Http2Session` will emit the `'close'` event. If `error`
 is not undefined, an `'error'` event will be emitted immediately after the
 `'close'` event.
 
-If there are any remaining open `Http2Streams` associatd with the
+If there are any remaining open `Http2Streams` associated with the
 `Http2Session`, those will also be destroyed.
 
 #### http2session.destroyed
@@ -371,7 +371,7 @@ added: v8.4.0
 * Value: {boolean}
 
 Indicates whether or not the `Http2Session` is currently waiting for an
-acknowledgement for a sent SETTINGS frame. Will be `true` after calling the
+acknowledgment for a sent SETTINGS frame. Will be `true` after calling the
 `http2session.settings()` method. Will be `false` once all sent SETTINGS
 frames have been acknowledged.
 
@@ -393,12 +393,12 @@ The maximum number of outstanding (unacknowledged) pings is determined by the
 
 If provided, the `payload` must be a `Buffer`, `TypedArray`, or `DataView`
 containing 8 bytes of data that will be transmitted with the `PING` and
-returned with the ping acknowledgement.
+returned with the ping acknowledgment.
 
 The callback will be invoked with three arguments: an error argument that will
 be `null` if the `PING` was successfully acknowledged, a `duration` argument
 that reports the number of milliseconds elapsed since the ping was sent and the
-acknowledgement was received, and a `Buffer` containing the 8-byte `PING`
+acknowledgment was received, and a `Buffer` containing the 8-byte `PING`
 payload.
 
 ```js
@@ -534,8 +534,8 @@ while the session is waiting for the remote peer to acknowledge the new
 settings.
 
 *Note*: The new settings will not become effective until the SETTINGS
-acknowledgement is received and the `'localSettings'` event is emitted. It
-is possible to send multiple SETTINGS frames while acknowledgement is still
+acknowledgment is received and the `'localSettings'` event is emitted. It
+is possible to send multiple SETTINGS frames while acknowledgment is still
 pending.
 
 #### http2session.type
@@ -746,7 +746,7 @@ added: v8.4.0
 -->
 
 The `'timeout'` event is emitted after no activity is received for this
-`'Http2Stream'` within the number of millseconds set using
+`'Http2Stream'` within the number of milliseconds set using
 `http2stream.setTimeout()`.
 
 #### Event: 'trailers'