Stick with the 'no colon' format for headers in install.md

docs/install.md

@@ -3,14 +3,14 @@ This document describes installation instructions for users. For those that wish
 > - [Develop](./develop.md) provides installation instruction for developers
 > - [Docker](./install_docker.md) describes Docker container installation and usage.
 
-## Requirements:
+## Requirements
 
 - Python 3.8 to 3.11
 - ObsPy 1.4.0
 
-## Procedure:
+## Procedure
 
-### Option 1: Anaconda/Miniconda (https://conda.io/miniconda.html):
+### Option 1: Anaconda/Miniconda (https://conda.io/miniconda.html)
 1.  Set up environment & install dependencies
 
         conda create --name=geomagenv --channel conda-forge python=3 obspy pycurl
@@ -37,5 +37,5 @@ This document describes installation instructions for users. For those that wish
 ## Using **geomagio**
 **geomagio** is the Python module for interfacing with geomag-algorithms. 
 
-    - Use the main script, `geomag.py -h`
-    - In Python scripts or Jupyter notebooks, `import geomagio`
\ No newline at end of file
+    - In Python scripts or Jupyter notebooks use `import geomagio`
+    - Use the main script, `geomag.py -h`
\ No newline at end of file