docs(material/components): fix typos in material docs

Author: singhimalaya

src/material/autocomplete/autocomplete.ts

@@ -74,7 +74,7 @@ export interface MatAutocompleteDefaultOptions {
   /** Class or list of classes to be applied to the autocomplete's overlay panel. */
   overlayPanelClass?: string | string[];
 
-  /** Wheter icon indicators should be hidden for single-selection. */
+  /** Whether icon indicators should be hidden for single-selection. */
   hideSingleSelectionIndicator?: boolean;
 }
 

src/material/chips/tokens.ts

@@ -14,7 +14,7 @@ export interface MatChipsDefaultOptions {
   /** The list of key codes that will trigger a chipEnd event. */
   separatorKeyCodes: readonly number[] | ReadonlySet<number>;
 
-  /** Wheter icon indicators should be hidden for single-selection. */
+  /** Whether icon indicators should be hidden for single-selection. */
   hideSingleSelectionIndicator?: boolean;
 }
 

src/material/list/tokens.ts

@@ -10,7 +10,7 @@ import {InjectionToken} from '@angular/core';
 
 /** Object that can be used to configure the default options for the list module. */
 export interface MatListConfig {
-  /** Wheter icon indicators should be hidden for single-selection. */
+  /** Whether icon indicators should be hidden for single-selection. */
   hideSingleSelectionIndicator?: boolean;
 }
 

src/material/select/select.ts

@@ -127,7 +127,7 @@ export interface MatSelectConfig {
   /** Class or list of classes to be applied to the menu's overlay panel. */
   overlayPanelClass?: string | string[];
 
-  /** Wheter icon indicators should be hidden for single-selection. */
+  /** Whether icon indicators should be hidden for single-selection. */
   hideSingleSelectionIndicator?: boolean;
 
   /**