Update creating-a-landsat-stac.ipynb

Minor edits

Author: RichardScottOZ

docs/tutorials/creating-a-landsat-stac.ipynb

@@ -1888,7 +1888,7 @@
    "source": [
     "### Write the catalog locally\n",
     "\n",
-    "Now that we have our complete, validated STAC in memory, let's write it out. This is a simple as calling `save` on the Collection. We need to specify the type of catalog in order to property write out links - these types are described again in the STAC [Best Practices](https://github.com/radiantearth/stac-spec/blob/master/best-practices.md#use-of-links) documentation.\n",
+    "Now that we have our complete, validated STAC in memory, let's write it out. This is as simple as calling `save` on the Collection. We need to specify the type of catalog in order to property write out links - these types are described again in the STAC [Best Practices](https://github.com/radiantearth/stac-spec/blob/master/best-practices.md#use-of-links) documentation.\n",
     "\n",
     "We'll use the \"self contained\" type, which uses relative paths and does not specify absolute \"self\" links to any object. This makes the catalog more portable, as it remains valid even if you copy the STAC to new locations."
    ]
@@ -2242,7 +2242,7 @@
    "source": [
     "### Acknowledgements\n",
     "\n",
-    "Credit to [sat-stac-landsat](https://github.com/sat-utils/sat-stac-landsat) off of which a lot of this code was based."
+    "Credit to [sat-stac-landsat](https://github.com/sat-utils/sat-stac-landsat) from which a lot of this code was based."
    ]
   }
  ],