fix typos (#3193)

Author: IvanKargapoltsev

doc/_tutorial/axis_grids.ipynb

@@ -190,7 +190,7 @@
    "cell_type": "raw",
    "metadata": {},
    "source": [
-    "Any seaborn color palette (i.e., something that can be passed to :func:`color_palette()` can be provided. You can also use a dictionary that maps the names of values in the ``hue`` variable to valid matplotlib colors:"
+    "Any seaborn color palette (i.e., something that can be passed to :func:`color_palette()`) can be provided. You can also use a dictionary that maps the names of values in the ``hue`` variable to valid matplotlib colors:"
    ]
   },
   {

doc/_tutorial/regression.ipynb

@@ -78,7 +78,7 @@
    "cell_type": "raw",
    "metadata": {},
    "source": [
-    "These functions draw similar plots, but :func:regplot` is an :doc:`axes-level function </tutorial/function_overview>`, and :func:`lmplot` is a figure-level function. Additionally, :func:`regplot` accepts the ``x`` and ``y`` variables in a variety of formats including simple numpy arrays, :class:`pandas.Series` objects, or as references to variables in a :class:`pandas.DataFrame` object passed to `data`. In contrast, :func:`lmplot` has `data` as a required parameter and the `x` and `y` variables must be specified as strings. Finally, only :func:`lmplot` has `hue` as a parameter.\n",
+    "These functions draw similar plots, but :func:`regplot` is an :doc:`axes-level function </tutorial/function_overview>`, and :func:`lmplot` is a figure-level function. Additionally, :func:`regplot` accepts the ``x`` and ``y`` variables in a variety of formats including simple numpy arrays, :class:`pandas.Series` objects, or as references to variables in a :class:`pandas.DataFrame` object passed to `data`. In contrast, :func:`lmplot` has `data` as a required parameter and the `x` and `y` variables must be specified as strings. Finally, only :func:`lmplot` has `hue` as a parameter.\n",
     "\n",
     "The core functionality is otherwise similar, though, so this tutorial will focus on :func:`lmplot`:.\n",
     "\n",