Fix Js.Dict2 mentioned in Js.Dict documentation

pages/docs/manual/latest/api/js/dict.mdx

@@ -60,7 +60,7 @@ Js.Dict.unsafeGet(ages, "Paul") // returns undefined
 let set: (t<'a>, key, 'a) => unit
 ```
 
-`Js.Dict2.set(dict, key, value)` sets the key/value in the dictionary `dict`. If the key does not exist, and entry will be created for it. *This function modifies the original dictionary.*
+`Js.Dict.set(dict, key, value)` sets the key/value in the dictionary `dict`. If the key does not exist, and entry will be created for it. *This function modifies the original dictionary.*
 
 ```res example
 Js.Dict.set(ages, "Maria", 31)

pages/docs/manual/v8.0.0/api/js/dict.mdx

@@ -2,7 +2,7 @@
 
 <Intro>
 
-Provide utilities for JS dictionary object. 
+Provide utilities for JS dictionary object.
 
 **Note:** This module's examples will assume this predeclared dictionary:
 
@@ -51,7 +51,7 @@ let unsafeGet: (t('a), key) => 'a;
 ```
 `Js.Dict.unsafeGet(key)` returns the value if the key exists, otherwise an `undefined` value is returned. Use this only when you are sure the key exists (i.e. when having used the `keys()` function to check that the key is valid).
 
-```re example 
+```re example
 Js.Dict.unsafeGet(ages, "Fred") == 49;
 Js.Dict.unsafeGet(ages, "Paul"); // returns undefined
 ```
@@ -62,7 +62,7 @@ Js.Dict.unsafeGet(ages, "Paul"); // returns undefined
 let set: (t('a), key, 'a) => unit;
 ```
 
-`Js.Dict2.set(dict, key, value)` sets the key/value in the dictionary `dict`. If the key does not exist, and entry will be created for it. *This function modifies the original dictionary.*
+`Js.Dict.set(dict, key, value)` sets the key/value in the dictionary `dict`. If the key does not exist, and entry will be created for it. *This function modifies the original dictionary.*
 
 ```re example
 Js.Dict.set(ages, "Maria", 31)
@@ -157,7 +157,7 @@ let map: ((. 'a) => 'b, t('a)) => t('b);
 ```
 
 `map(f, dict)` maps `dict` to a new dictionary with the same keys, using the function `f` to map each value.
-  
+
 ```re example
 let prices = Js.Dict.fromList([("pen", 1.00), ("book", 5.00), ("stapler", 7.00)]);