diff --git a/src/caosadvancedtools/table_importer.py b/src/caosadvancedtools/table_importer.py
index 2087b156829f2ceb28894bdaf7f01ec2e86976ca..fd9567168ecc2d116ee9395a5a37e946a70d6095 100755
--- a/src/caosadvancedtools/table_importer.py
+++ b/src/caosadvancedtools/table_importer.py
@@ -89,7 +89,7 @@ def win_path_converter(val):
 
     if not check_win_path(val):
         raise ValueError(
-            "Field should a Windows path, but is\n'{}'.".format(val))
+            "Field should be a Windows path, but is\n'{}'.".format(val))
     path = pathlib.PureWindowsPath(val)
 
     return path.as_posix()