fix typos

files/en-us/web/api/document/requeststorageaccess/index.md

@@ -56,7 +56,7 @@ requestStorageAccess(types)
 
 ### Return value
 
-A {{jsxref("Promise")}} that fulfills with `undefined` if the access to third-party cookies was granted and no `types` parameter was provided, fufills with {{domxref("StorageAccessHandle")}} if the access to unpartitioned state requested by the `types` parameter was provided, and rejects if access was denied.
+A {{jsxref("Promise")}} that fulfills with `undefined` if the access to third-party cookies was granted and no `types` parameter was provided, fulfills with {{domxref("StorageAccessHandle")}} if the access to unpartitioned state requested by the `types` parameter was provided, and rejects if access was denied.
 
 `requestStorageAccess()` requests are automatically denied unless the embedded content is currently processing a user gesture such as a tap or click ({{Glossary("transient activation")}}), or unless permission was already granted previously. If permission was not previously granted, they need to be run inside a user gesture-based event handler. The user gesture behavior depends on the state of the promise:
 

files/en-us/web/api/storageaccesshandle/estimate/index.md

@@ -22,7 +22,7 @@ None.
 
 ### Return value
 
-A {{jsxref("Promise")}} that fufills with an unpartitioned {{domxref("StorageManager.estimate()", "StorageEstimate")}} object.
+A {{jsxref("Promise")}} that fulfills with an unpartitioned {{domxref("StorageManager.estimate()", "StorageEstimate")}} object.
 
 ### Exceptions
 

files/en-us/web/api/storageaccesshandle/getdirectory/index.md

@@ -22,7 +22,7 @@ None.
 
 ### Return value
 
-A {{jsxref("Promise")}} that fufills with an unpartitioned {{domxref("FileSystemDirectoryHandle")}} object.
+A {{jsxref("Promise")}} that fulfills with an unpartitioned {{domxref("FileSystemDirectoryHandle")}} object.
 
 ### Exceptions
 

files/en-us/web/api/storageaccesshandle/index.md

@@ -25,9 +25,9 @@ The **`StorageAccessHandle`** interface represents access to [unpartitioned stat
 ## Instance methods
 
 - {{domxref("StorageAccessHandle.getDirectory()")}}
-  - : Returns a {{jsxref("Promise")}} that fufills with an unpartitioned {{domxref("FileSystemDirectoryHandle")}} object if access was granted, and rejects otherwise.
+  - : Returns a {{jsxref("Promise")}} that fulfills with an unpartitioned {{domxref("FileSystemDirectoryHandle")}} object if access was granted, and rejects otherwise.
 - {{domxref("StorageAccessHandle.estimate()")}}
-  - : Returns a {{jsxref("Promise")}} that fufills with an unpartitioned {{domxref("StorageManager.estimate()", "StorageEstimate")}} object if access was granted, and rejects otherwise.
+  - : Returns a {{jsxref("Promise")}} that fulfills with an unpartitioned {{domxref("StorageManager.estimate()", "StorageEstimate")}} object if access was granted, and rejects otherwise.
 - {{domxref("StorageAccessHandle.createObjectURL()")}}
   - : Returns a string representing the unpartitioned blob storage url created if access was granted, and throws otherwise.
 - {{domxref("StorageAccessHandle.revokeObjectURL()")}}