changed text-weight to font-weight typo?

vue-theme/src/sss/_typography.sss

@@ -7,7 +7,7 @@
     &-left
         text-align: left
     &-b
-        text-weight: 800
+        font-weight: 800
     &-i
         text-style: italic
     &-up
@@ -27,6 +27,7 @@ a
         cursor: pointer
 
 h1, h2, h3, h4, h5, h6 /* common */
+    font-weight: 400
     display: block
     margin-left: 0
     margin-right: 0