Fix typos

AGENTS.md

@@ -14,7 +14,7 @@ make test # All tests
 python -m pytest tests/some_file.py # Individual file
 python -m pytest -k "substring"
 
-# 4. Lint before commiting
+# 4. Lint before committing
 
 make lint
 

av/sidedata/sidedata.py

@@ -98,7 +98,7 @@ def get_display_rotation(frame: Frame) -> cython.int:
 class SideData(Buffer):
     def __init__(self, sentinel, frame: Frame, index: cython.int):
         if sentinel is not _cinit_bypass_sentinel:
-            raise RuntimeError("cannot manually instatiate SideData")
+            raise RuntimeError("cannot manually instantiate SideData")
         self.frame = frame
         self.ptr = frame.ptr.side_data[index]
         self.metadata = wrap_dictionary(self.ptr.metadata)

tests/test_seek.py

@@ -69,7 +69,7 @@ def test_seek_end(self) -> None:
         for packet in container.demux():
             middle_packet_count += 1
 
-        # you can't really seek to to end but you can to the last keyframe
+        # you can't really seek to the end but you can to the last keyframe
         container.seek(container.duration)
 
         seek_packet_count = 0