diff --git a/src/V3Width.cpp b/src/V3Width.cpp
index e41e78893..6186ff2da 100644
--- a/src/V3Width.cpp
+++ b/src/V3Width.cpp
@@ -1568,7 +1568,7 @@ private:
             AstConst* constp = VN_CAST(itemp->valuep(), Const);
             if (constp->num().isFourState() && nodep->dtypep()->basicp()
                 && !nodep->dtypep()->basicp()->isFourstate())
-                itemp->v3error("Enum value with X/Zs cannot be assigned to non-fourstate type (IEEE 2019 6.19)");
+                itemp->v3error("Enum value with X/Zs cannot be assigned to non-fourstate type (IEEE 2017 6.19)");
             num.opAssign(constp->num());
             // Look for duplicates
             if (inits.find(num) != inits.end()) {  // IEEE says illegal
@@ -1825,7 +1825,7 @@ private:
             methodCallString(nodep, basicp);
         }
         else {
-            nodep->v3error("Unsupported: Member call on non-enum object '"
+            nodep->v3error("Unsupported: Member call on object '"
                            <<nodep->fromp()->prettyTypeName()
                            <<"' which is a '"<<nodep->fromp()->dtypep()->prettyTypeName()<<"'");
         }
diff --git a/test_regress/t/t_enum_x_bad.out b/test_regress/t/t_enum_x_bad.out
index 6677ff6dc..5fd3bc732 100644
--- a/test_regress/t/t_enum_x_bad.out
+++ b/test_regress/t/t_enum_x_bad.out
@@ -1,4 +1,4 @@
-%Error: t/t_enum_x_bad.v:8: Enum value with X/Zs cannot be assigned to non-fourstate type (IEEE 2019 6.19)
+%Error: t/t_enum_x_bad.v:8: Enum value with X/Zs cannot be assigned to non-fourstate type (IEEE 2017 6.19)
                           : ... In instance t
    enum bit [1:0] { BADX = 2'b1x } BAD1;
                     ^~~~
diff --git a/test_regress/t/t_fuzz_genintf_bad.out b/test_regress/t/t_fuzz_genintf_bad.out
index d8e9eee16..7ba1095b9 100644
--- a/test_regress/t/t_fuzz_genintf_bad.out
+++ b/test_regress/t/t_fuzz_genintf_bad.out
@@ -1,4 +1,4 @@
-%Error: t/t_fuzz_genintf_bad.v:23: Unsupported: Member call on non-enum object 'VARREF 'j'' which is a 'BASICDTYPE 'integer''
+%Error: t/t_fuzz_genintf_bad.v:23: Unsupported: Member call on object 'VARREF 'j'' which is a 'BASICDTYPE 'integer''
                                  : ... In instance t
          j.e(0),
            ^
diff --git a/test_regress/t/t_fuzz_triand_bad.out b/test_regress/t/t_fuzz_triand_bad.out
index aba49b72e..a881e799f 100644
--- a/test_regress/t/t_fuzz_triand_bad.out
+++ b/test_regress/t/t_fuzz_triand_bad.out
@@ -1,4 +1,4 @@
-%Error: t/t_fuzz_triand_bad.v:7: Unsupported: Member call on non-enum object 'VARREF 'g'' which is a 'BASICDTYPE 'logic''
+%Error: t/t_fuzz_triand_bad.v:7: Unsupported: Member call on object 'VARREF 'g'' which is a 'BASICDTYPE 'logic''
                                : ... In instance t
    tri g=g.and.g;
            ^~~