diff --git a/test/depr/depr.c.headers/stdarg_h.pass.cpp b/test/depr/depr.c.headers/stdarg_h.pass.cpp
index 1bf73521..2a7906ad 100644
--- a/test/depr/depr.c.headers/stdarg_h.pass.cpp
+++ b/test/depr/depr.c.headers/stdarg_h.pass.cpp
@@ -17,11 +17,11 @@
 
 #if __cplusplus >= 201103L
 #  ifndef va_copy
-#    error va_copy not defined when c++ >= 11
+#    error va_copy is not defined when c++ >= 11
 #  endif
 #else
 #  ifdef va_copy
-#    error va_copy not defined when c++ < 11
+#    error va_copy is unexpectedly defined when c++ < 11
 #  endif
 #endif
 
diff --git a/test/language.support/support.runtime/cstdarg.pass.cpp b/test/language.support/support.runtime/cstdarg.pass.cpp
index c9d00498..90ea70fb 100644
--- a/test/language.support/support.runtime/cstdarg.pass.cpp
+++ b/test/language.support/support.runtime/cstdarg.pass.cpp
@@ -17,11 +17,11 @@
 
 #if __cplusplus >= 201103L
 #  ifndef va_copy
-#    error va_copy not defined when c++ >= 11
+#    error va_copy is not defined when c++ >= 11
 #  endif
 #else
 #  ifdef va_copy
-#    error va_copy not defined when c++ < 11
+#    error va_copy is unexpectedly defined when c++ < 11
 #  endif
 #endif