GeometricField: corrected warning

src/OpenFOAM/fields/GeometricFields/GeometricField/GeometricField.C

@@ -106,7 +106,7 @@ bool Foam::GeometricField<Type, PatchField, GeoMesh>::readIfPresent()
         (
             "GeometricField<Type, PatchField, GeoMesh>::readIfPresent()"
         )   << "read option IOobject::MUST_READ or MUST_READ_IF_MODIFIED"
-            << "suggests that a read constructor for field " << this->name()
+            << " suggests that a read constructor for field " << this->name()
             << " would be more appropriate." << endl;
     }
     else if (this->readOpt() == IOobject::READ_IF_PRESENT && this->headerOk())