Apply suggestion from @ericspod

Signed-off-by: Eric Kerfoot <17726042+ericspod@users.noreply.github.com>

Author: ericspod

monai/transforms/spatial/dictionary.py

@@ -581,7 +581,7 @@ def __init__(
                 input is not a meta-tensor or has no ``"space"`` item, the
                 value ``(('L', 'R'), ('P', 'A'), ('I', 'S'))`` is used. If not
                 ``None``, the provided value is always used and the ``"space"``
-                metadata item (if any) of the intput is ignored.
+                metadata item (if any) of the input is ignored.
             allow_missing_keys: don't raise exception if key is missing.
             lazy: a flag to indicate whether this transform should execute lazily or not.
                 Defaults to False