change the docs

Author: yzh211

docs/notebooks/pyosp_licking.ipynb

@@ -307,7 +307,7 @@
    "id": "7d140d22",
    "metadata": {},
    "source": [
-    "Discussion of above results correlation with terrace treads are presented in the [PyOSP paper](https://www.sciencedirect.com/science/article/abs/pii/S0169555X21001860). "
+    "Discussion of above results are presented in the [PyOSP paper](https://www.sciencedirect.com/science/article/abs/pii/S0169555X21001860). "
    ]
   },
   {

docs/notebooks/pyosp_olympus.ipynb

@@ -215,7 +215,7 @@
     "\n",
     "This tutorial introduces the swath analysis of Olympus Mons by PyOSP, which corresponds to section 4.3 of [PyOSP paper](https://www.sciencedirect.com/science/article/abs/pii/S0169555X21001860). \n",
     "\n",
-    "If you have any questions, you can open an issue at https://github.com/PyOSP-devs/PyOSP, or send email to yichuan211@gmail.com\n",
+    "If you have any questions, you can open an issue at https://github.com/PyOSP-devs/PyOSP, or send emails to yichuan211@gmail.com\n",
     "\n",
     "Cheers!"
    ]

docs/notebooks/pyosp_teton.ipynb

@@ -298,7 +298,7 @@
     "## Cross swath profile\n",
     "Next, we evaluate five cross swath profiles along the striking of the baseline. There are two ways to define the boundary of cross swath profile:\n",
     "\n",
-    "1. Specify the start and end points distance positions from the starting point of baseline.\n",
+    "1. Specify the start and end points positions from the starting point of baseline.\n",
     "2. Draw the points along the baseline, and then pass the shapefile of points to the function. \n",
     "\n",
     "In the documentation of PyOSP, there is a tutorial about application process of these two methods.\n",