Update package.json

Co-authored-by: Kevin Newton <kddnewton@gmail.com>

Author: xfalcox

package.json

@@ -53,7 +53,7 @@
       "type": "object",
       "title": "Syntax Tree",
       "properties": {
-        "syntaxTree.maximumLineWidth": {
+        "syntaxTree.printWidth": {
           "default": 80,
           "markdownDescription": "The maximum line width to use when formatting.",
           "type": "number"