Fix typo

Author: VeckoTheGecko

src/parcels/_core/utils/sgrid.py

@@ -216,7 +216,7 @@ class DimDimPadding:
     """A data class representing a dimension-dimension-padding triplet for SGrid metadata.
 
     This triplet can represent different relations depending on context within the standard
-    Fr exampel - for "face_dimensions" this can show the relation between an edge (dim1) and a node
+    For example - for "face_dimensions" this can show the relation between an edge (dim1) and a node
     (dim2).
     """