Fix changelog typo.

PiperOrigin-RevId: 730409533
Change-Id: Ife84281021be31b2385aa2263a36b9a2af09348a

doc/changelog.rst

@@ -50,8 +50,8 @@ General
      would silently fall back to surface inertia computation. Now, the compiler will throw an informative error.
    - Removed the composite type ``grid``. Users should instead use :ref:`flexcomp<body-flexcomp>`.
    - Removed the ``particle`` composite type. It is recommended to use the more generic :ref:`replicate<replicate>`
-     instead, see for example `this
-     model<https://github.com/google-deepmind/mujoco/blob/main/model/replicate/particle.xml>`__.
+     instead, see for example `this model
+     <https://github.com/google-deepmind/mujoco/blob/main/model/replicate/particle.xml>`__.
 
 MJX
 ^^^