Merge pull request adafruit#54 from tekktrik/hotfix/fix-attribute-error

Fix AttributeError text

Author: FoamyGuy

adafruit_bitmap_font/bdf.py

@@ -103,7 +103,7 @@ def _verify_bounding_box(self):
             self._boundingbox
         except AttributeError as error:
             raise Exception(
-                "Source file does not have the FOUNTBONDINGBOX parameter"
+                "Source file does not have the FOUNTBOUNDINGBOX parameter"
             ) from error
 
     def get_bounding_box(self):