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Co-authored-by: Hugo van Kemenade <[email protected]>

Author: clin1234

Lib/mimetypes.py

@@ -482,9 +482,9 @@ def _default_mime_types():
         '.gz'     : 'application/gzip',
         '.json'   : 'application/json',
         '.webmanifest': 'application/manifest+json',
-        '.nb'     : 'applicaion/mathematica',
-        '.ma'     : 'applicaion/mathematica',
-        '.mb'     : 'applicaion/mathematica',
+        '.nb'     : 'application/mathematica',
+        '.ma'     : 'application/mathematica',
+        '.mb'     : 'application/mathematica',
         '.mml'    : 'application/mathml+xml',
         '.mbox'   : 'application/mbox',
         '.doc'    : 'application/msword',