Rollup merge of rust-lang#101931 - msakuta:master, r=thomcc

doc: Fix a typo in `Rc::make_mut` docstring

A very minor typo fix.

Author: Dylan-DPC

library/alloc/src/rc.rs

@@ -1142,7 +1142,7 @@ impl<T: Clone> Rc<T> {
     /// be cloned.
     ///
     /// See also [`get_mut`], which will fail rather than cloning the inner value
-    /// or diassociating [`Weak`] pointers.
+    /// or disassociating [`Weak`] pointers.
     ///
     /// [`clone`]: Clone::clone
     /// [`get_mut`]: Rc::get_mut