diff --git a/finitedifferences.py b/finitedifferences.py
index 423b62064395fb7797d661dcf6461cbb214722e4..e439dcce02bbb738bfa00c72f9437c84c5c98ab2 100644
--- a/finitedifferences.py
+++ b/finitedifferences.py
@@ -23,7 +23,7 @@ def grad(var, dim=3):
 def discretizeCenter(term, symbolsToFieldDict, dx, dim=3):
     """
     Expects term that contains given symbols and gradient components of these symbols and replaces them
-    by field accesses. Gradients are replaced centralized approximations:
+    by field accesses. Gradients are replaced by centralized approximations:
     ``(upper neighbor - lower neighbor ) / ( 2*dx)``
     :param term: term where symbols and gradient(symbol) should be replaced
     :param symbolsToFieldDict: mapping of symbols to Field
diff --git a/transformations.py b/transformations.py
index 2d4d1af24979c4590da3d920272dcff1a0e0431c..74250d6586feab42b124a22f89d19b904979a7d2 100644
--- a/transformations.py
+++ b/transformations.py
@@ -608,7 +608,7 @@ def get_type(node):
 
 def insert_casts(node):
     """
-    Inserts casts and dtype where needed
+    Inserts casts and dtype whpere needed
     :param node: ast which should be traversed
     :return: node
     """