diff --git a/adafruit_bitmap_font/bdf.py b/adafruit_bitmap_font/bdf.py
index e15ab0c..b7b63fc 100644
--- a/adafruit_bitmap_font/bdf.py
+++ b/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):