diff --git a/pySDC/helpers/fieldsIO.py b/pySDC/helpers/fieldsIO.py
index 0ae918916d76c40f181abcd5ce434b37857d802b..2a515f8121e609c7cc373b842390d94c12508000 100644
--- a/pySDC/helpers/fieldsIO.py
+++ b/pySDC/helpers/fieldsIO.py
@@ -507,7 +507,7 @@ class Rectilinear(Scalar):
         comm : MPI.Intracomm
             The space decomposition communicator.
         iLoc : list[int]
-            Starting index of the local sub-domain in the global `coordX`.
+            Starting index of the local sub-domain in the global coordinates.
         nLoc : list[int]
             Number of points in the local sub-domain.
         """