[ci-skip] typo

docs/tutorials/mmsink.ipynb

@@ -181,7 +181,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "We run a fixed stepsize gradient descent loop. We display updated points, along with their gradients. The downward blue triangles are displayed with edges, to illustrate that they are pinned.\n",
+    "We run a fixed step size gradient descent loop. We display updated points, along with their gradients. The downward blue triangles are displayed with edges, to illustrate that they are pinned.\n",
     "\n",
     "Notice that the entropy regularized cost (displayed in the title of each plot) decreases, and becomes even negative. This is not unusual, since, unlike the standard MMOT cost which is necessarily non-negative, this output is regularized with a negative entropy. As points become closer."
    ]