API Docs: Small edits to recent commit

- Revert string formatting change
- Add missing text edit

doc/python_api/rst/info_best_practice.rst

@@ -368,4 +368,4 @@ While developing a script it is good to time it to be aware of any changes in pe
 
    # do something...
 
-   print("My Script Finished: {:.4f} sec".format(time.time() - time_start))
+   print("My Script Finished: %.4f sec" % (time.time() - time_start))

doc/python_api/sphinx_doc_gen.py

@@ -359,7 +359,7 @@ INFO_DOCS = (
     ("info_tips_and_tricks.rst",
      "Tips and Tricks: Hints to help you while writing scripts for Blender"),
     ("info_gotcha.rst",
-     "Gotcha's: some of the problems you may come up against when writing scripts"),
+     "Gotcha's: some of the problems you may encounter when writing scripts"),
     ("change_log.rst", "List of changes since last Blender release"),
 )