[css-align] I'm dumb!

Author: tabatkins

css-align/Overview.bs

@@ -680,7 +680,7 @@ Inline/Main-Axis Alignment: the 'justify-self' property</h3>
 	The <dfn value for="justify-self">auto</dfn> keyword computes to
 	the computed value of 'justify-items' on the parent
 	(minus any ''legacy'' keywords),
-	or ''align-self/normal'' if the box has no parent.
+	or ''justify-self/normal'' if the box has no parent.
 
 	The <dfn value for="justify-self">normal</dfn> keyword
 	represents the "default" alignment for the layout mode.