docs: fix tutorial setup instructions for MacOS. (#1383)

docs/tutorial/setup.rst

@@ -120,7 +120,7 @@ Assuming that you have a 64-bit system, on Linux, download and install Miniconda
 
 .. code:: console
 
-    $ wget https://github.com/conda-forge/miniforge/releases/latest/download/Mambaforge-Linux-x86_64.sh
+    $ curl -L https://github.com/conda-forge/miniforge/releases/latest/download/Mambaforge-Linux-x86_64.sh -o Mambaforge-Linux-x86_64.sh
     $ bash Mambaforge-Linux-x86_64.sh
 
 On MacOS with x86_64 architecture, download and install with
@@ -165,11 +165,19 @@ First, we download some example data on which the workflow shall be executed:
 
 .. code:: console
 
-    $ wget https://github.com/snakemake/snakemake-tutorial-data/archive/v5.24.1.tar.gz
-    $ tar --wildcards -xf v5.24.1.tar.gz --strip 1 "*/data" "*/environment.yaml"
+    $ curl -L https://github.com/snakemake/snakemake-tutorial-data/archive/v5.24.1.tar.gz -o snakemake-tutorial-data.tar.gz
+
+Next we extract the data. On Linux, run
+
+.. code:: console
+    $ tar --wildcards -xf snakemake-tutorial-data.tar.gz --strip 1 "*/data" "*/environment.yaml"
+
+On MacOS, run
+
+.. code:: console
+    $ tar -xf snakemake-tutorial-data.tar.gz --strip 1 "*/data" "*/environment.yaml"
 
 This will create a folder ``data`` and a file ``environment.yaml`` in the working directory.
-If your tar command does not provide a ``--wildcards`` flag, you can also just unpack the file without it (which will just leave some more unneeded files in the working directory).
 
 Step 3: Creating an environment with the required software
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