Reformatted files

Author: Lauren Long

firestore-bigquery-export/guides/IMPORT_EXISTING_DOCUMENTS.md

@@ -14,8 +14,8 @@ You may pause and resume the import script from the last batch at any point.
 
 - You will see redundant rows in your raw changelog table if either of the following happen:
 
-    - If document changes occur in the time between installing the extension and running the import script.
-    - If you run the import script multiple times over the same collection.
+  - If document changes occur in the time between installing the extension and running the import script.
+  - If you run the import script multiple times over the same collection.
 
 ### Run the script
 
@@ -28,8 +28,9 @@ The import script uses several values from your installation of the extension:
 Run the import script using [`npx` (the Node Package Runner)](https://www.npmjs.com/package/npx) via `npm` (the Node Package Manager).
 
 1.  Make sure that you've installed the required tools to run the import script:
-    * To access the `npm` command tools, you need to install [Node.js](https://www.nodejs.org/).
-    * If you use `npm` v5.1 or earlier, you need to explicitly install `npx`. Run `npm install --global npx`.
+
+    - To access the `npm` command tools, you need to install [Node.js](https://www.nodejs.org/).
+    - If you use `npm` v5.1 or earlier, you need to explicitly install `npx`. Run `npm install --global npx`.
 
 1.  Run the import script via `npx` by running the following command: