pip3 in install instructions.

README.md

@@ -49,10 +49,10 @@ Data files are licensed under [CC-BY 4.0](https://creativecommons.org/licenses/b
 
 `pymagglobal` is distributed via the PyPI registry of this repository. It can be installed using
 ```console
-$ pip install pymagglobal --extra-index-url https://public:5mz_iyigu-WE3HySBH1J@git.gfz-potsdam.de/api/v4/projects/1055/packages/pypi/simple
+$ pip3 install pymagglobal --extra-index-url https://public:5mz_iyigu-WE3HySBH1J@git.gfz-potsdam.de/api/v4/projects/1055/packages/pypi/simple
 ```
 
-Since [conda](https://docs.conda.io/) version 4.6, conda and pip get along well. So you can also run `pip install ...` from inside your conda environment.
+Since [conda](https://docs.conda.io/) version 4.6, conda and pip get along well. So you can also run `pip3 install ...` from inside your conda environment.
 
 ## Documentation
 Check out the extended documention [here](https://sec23.git-pages.gfz-potsdam.de/korte/pymagglobal). From the command line, you can use `pymagglobal` to get various results from the models. For example,

docs/index.rst

@@ -22,7 +22,7 @@ Installation
 
 .. code-block:: bash
 
-  $ pip install pymagglobal --extra-index-url https://public:5mz_iyigu-WE3HySBH1J@git.gfz-potsdam.de/api/v4/projects/1055/packages/pypi/simple
+  $ pip3 install pymagglobal --extra-index-url https://public:5mz_iyigu-WE3HySBH1J@git.gfz-potsdam.de/api/v4/projects/1055/packages/pypi/simple
 
 See also `here <https://git.gfz-potsdam.de/sec23/korte/pymagglobal#installation>`_ and `here <https://git.gfz-potsdam.de/sec23/korte/pymagglobal#testing>`_.