Update Installing_Python_and_Python_Packages.rst

Author: ifenty

doc/Installing_Python_and_Python_Packages.rst

@@ -71,10 +71,11 @@ Option 1: *Conda*
     conda install -c conda-forge cmocean
     conda install -c conda-forge pyresample
     conda install -c conda-forge xarray dask netCDF4 bottleneck
-    :strike:`conda -c conda-forge xmitgcm`
+    [SEE NOTE!] conda install -c conda-forge xmitgcm`
     conda install -c conda-forge xgcm
     conda install -c conda-forge cartopy
 
+
 .. attention::
 
 	As of 2020-11-18 xmitgcm must be installed by cloning the github repository and installing as follows:
@@ -101,7 +102,7 @@ Option 2: *pip* alone (not recommended)
     pip install pyresample
     pip install cartopy
     pip install xarray
-    :strike:`pip install xmitgcm`
+    [SEE NOTE!] pip install xmitgcm`
     pip install xgcm
     pip install cmocean