Update science.rst

Fixed typo.

Author: Kerry Watson

source/science.rst

@@ -131,7 +131,7 @@ packages, it is not limited to just Python packages.   It has full support
 for native virtual environments. Conda makes environments first-class citizens, 
 making it easy to create independent environments even for C libraries. It is 
 written in Python, but is Python-agnostic. Conda can install Python directly with
-the command ``conda install python`` in contrast to pip which does not.  Conda is 
+the command `conda install python` in contrast to pip which does not.  Conda is 
 available in Anaconda and Miniconda (an easy-to-install download with just Python 
 and conda).