Update troubleshooting.rst
Fix too many backticks.
@@ -8,7 +8,7 @@ When things don't seem to be working right, here are some things to try.
Common Mistakes
---------------
-Many people name their first script ```bleak.py``. This causes the script to
+Many people name their first script ``bleak.py``. This causes the script to
crash with an ``ImportError`` similar to::
ImportError: cannot import name 'BleakClient' from partially initialized module 'bleak' (most likely due to a circular import) (bleak.py)`
