Remove redundancies in list in user_guide.rst
@@ -336,13 +336,13 @@ variable ``PIP_CONFIG_FILE``.
If multiple configuration files are found by pip then they are combined in
the following order:
-1. Firstly the site-wide file is read, then
-2. The per-user file is read, and finally
-3. The virtualenv-specific file is read.
+1. The site-wide file is read
+2. The per-user file is read
+3. The virtualenv-specific file is read
Each file read overrides any values read from previous files, so if the
global timeout is specified in both the site-wide file and the per-user file
-then the latter value is the one that will be used.
+then the latter value will be used.
The names of the settings are derived from the long command line option, e.g.
if you want to use a different package index (``--index-url``) and set the
