diff --git a/Mesh/Field.cpp b/Mesh/Field.cpp
index 252497dbb32b96092a9379e3f5448c98869d765f..ed5aa493db7c47496281d76fe08ee369813d4ceb 100644
--- a/Mesh/Field.cpp
+++ b/Mesh/Field.cpp
@@ -1103,7 +1103,7 @@ public:
   {
     return "Evaluate a mathematical expression. The expression can contain "
            "x, y, z for spatial coordinates, F0, F1, ... for field values, and "
-           "and mathematical functions.";
+           "mathematical functions.";
   }
 };
 
@@ -1192,7 +1192,7 @@ public:
   {
     return "Evaluate a metric expression. The expressions can contain "
            "x, y, z for spatial coordinates, F0, F1, ... for field values, and "
-           "and mathematical functions.";
+           "mathematical functions.";
   }
 };