diff --git a/cc/ccom/scan.l b/cc/ccom/scan.l
index 3cc1e15d..95369d19 100644
--- a/cc/ccom/scan.l
+++ b/cc/ccom/scan.l
@@ -595,9 +595,9 @@ wcharcon(void)
 	}
 
 	if (i == 0)
-		uerror("empty wide character constant");
+		uerror("empty wide-character constant");
 	if (i > 1)
-		werror("too many characters in wide character constant");
+		werror("too many characters in wide-character constant");
 	return xbcon(lastcon, NULL, ctype(UNSIGNED));
 }
 
diff --git a/config.h.in b/config.h.in
index ba7ae888..ed41e378 100644
--- a/config.h.in
+++ b/config.h.in
@@ -162,7 +162,7 @@
 /* Version string */
 #undef VERSSTR
 
-/* Size of wide character type */
+/* Size of wide-character type in chars */
 #undef WCHAR_SIZE
 
 /* Type to use for wide characters */
diff --git a/configure.ac b/configure.ac
index 01d5efb0..43956423 100644
--- a/configure.ac
+++ b/configure.ac
@@ -380,7 +380,7 @@ UNSIGNED|INT) wchar_size=4 ;;
 esac
 
 AC_DEFINE_UNQUOTED(WCHAR_TYPE, $wchar_type, [Type to use for wide characters])
-AC_DEFINE_UNQUOTED(WCHAR_SIZE, $wchar_size, [Size of wide character type in chars])
+AC_DEFINE_UNQUOTED(WCHAR_SIZE, $wchar_size, [Size of wide-character type in chars])
 
 # check for additional compiler flags
 AC_PROG_CC