docs.Installation: Clarify placement of batcher folder

Author: kamilburda

docs/sections/Installation.md

@@ -19,16 +19,37 @@ Batcher can currently be installed only manually by copying files from a ZIP arc
 1. Make sure you install [GIMP 3.0.0-RC3](https://download.gimp.org/gimp/v3.0/windows/gimp-3.0.0-RC3-setup.exe). **Batcher currently does not work with GIMP 3.0.0.**
 2. Make sure you have GIMP installed with support for Python plug-ins.
 3. Locate the folder containing GIMP plug-ins - open GIMP and go to `Edit → Preferences → Folders → Plug-Ins`. If you cannot locate any of the folders on your system, you can add a custom folder. 
-4. Extract the `batcher` folder from the downloaded archive to one of the folders chosen in the previous step.
+4. Copy the `batcher` folder from the downloaded archive to one of the folders chosen in the previous step. The folder hierarchy should look like this:
+    ```
+    plug-ins/
+        ...other plug-in folders...
+        batcher/
+            ...other Batcher files and folders...
+            batcher.py
+    ```
 
 
 ## Linux
 
 1. Locate the folder containing GIMP plug-ins - open GIMP and go to `Edit → Preferences → Folders → Plug-Ins`. If you cannot locate any of the folders on your system, you can add a custom folder. 
-2. Extract the `batcher` folder from the downloaded archive to one of the folders chosen in the previous step.
+2. Copy the `batcher` folder from the downloaded archive to one of the folders chosen in the previous step. The folder hierarchy should look like this:
+    ```
+    plug-ins/
+        ...other plug-in folders...
+        batcher/
+            ...other Batcher files and folders...
+            batcher.py
+    ```
 
 
 ## macOS
 
 1. Locate the folder containing GIMP plug-ins - open GIMP and go to `Edit → Preferences → Folders → Plug-Ins`. If you cannot locate any of the folders on your system, you can add a custom folder. 
-2. Extract the `batcher` folder from the downloaded archive to one of the folders chosen in the previous step.
+2. Copy the `batcher` folder from the downloaded archive to one of the folders chosen in the previous step. The folder hierarchy should look like this:
+    ```
+    plug-ins/
+        ...other plug-in folders...
+        batcher/
+            ...other Batcher files and folders...
+            batcher.py
+    ```