Improving the latexpdf section on sphinx.md

I've applied many of the suggestions made by @pvalena in order to improve the latexpdf section.

Author: renich

tech/languages/python/sphinx.md

@@ -70,6 +70,8 @@ You will probably want to use `html` for local testing purposes and `dirhtml` fo
 
 ## latexpdf
 
+Sphinx allows you to render your work in PDF format. 
+
 In order to be able to run the `latexpdf` target, you will need to install the following dependencies:
 
 ``` sh
@@ -88,6 +90,8 @@ After that, you can continue building the target:
 make latexpdf
 ```
 
+You will see a lot of output showing the process of producing the PDF file and, finally; if successful, find the rendered PDF at `build/latex/<projectname>.pdf`; along with many other files used to produce it. 
+
 ## What next
 - See working examples to get an inspiration [Sphinx examples](http://sphinx-doc.org/examples.html)
 - See the full Sphinx possibilities and features [Sphinx contents](http://sphinx-doc.org/contents.html)