DOC: indexing.py - fixed spelling mistake

Author: zihengliao

pandas/core/indexing.py

@@ -184,7 +184,7 @@ def iloc(self) -> _iLocIndexer:
         indexing (this conforms with python/numpy *slice* semantics).
 
         It is also worth noting, iloc converts all elements returned into the same pandas dtype and
-        all numeric dtype conversions follow the numpy promtion rules.
+        all numeric dtype conversions follow the numpy promotion rules.
 
         See more at :ref:`Selection by Position <indexing.integer>`.