diff --git a/demo/test-acroform.js b/demo/test-acroform.js
index 7b266c7..ed6891b 100755
--- a/demo/test-acroform.js
+++ b/demo/test-acroform.js
@@ -19,14 +19,14 @@ doc.initAcroForm();
 let rootField = doc.field('rootField');
 let child1Field = doc.field('child1Field', { Parent: rootField });
 let child2Field = doc.field('child2Field', { Parent: rootField });
-doc.formText('leaf1', 10, 10, 200, 40, { Parent: child1Field })
-doc.formText('leaf2', 10, 60, 200, 40, { Parent: child1Field })
-doc.formText('leaf3', 10, 110, 200, 40, { Parent: child2Field })
+doc.formText('leaf1', 10, 10, 200, 40, { Parent: child1Field, multiline: true })
+doc.formText('leaf2', 10, 60, 200, 40, { Parent: child1Field, multiline: true })
+doc.formText('leaf3', 10, 110, 200, 80, { Parent: child2Field, multiline: true })
 
 var opts = {
   backgroundColor: 'yellow',
   label: 'Test Button',
 };
-doc.formPushButton('btn1', 10, 160, 100, 30, opts);
+doc.formPushButton('btn1', 10, 200, 100, 30, opts);
 
 doc.end();
diff --git a/lib/mixins/acroform.js b/lib/mixins/acroform.js
index c23d095..f6c8ea9 100644
--- a/lib/mixins/acroform.js
+++ b/lib/mixins/acroform.js
@@ -13,7 +13,8 @@ const FIELD_FLAGS = {
   pushButton: 0x10000,
   combo: 0x20000,
   edit: 0x40000,
-  sort: 0x80000
+  sort: 0x80000,
+  noSpell: 0x400000,
 };
 const FIELD_JUSTIFY = {
   left: 0,
@@ -191,21 +192,31 @@ export default {
   },
 
   _resolveFlags (options) {
-    options.Ff = options.Ff ? options.Ff : 0;
+    let result = 0;
     Object.keys(options).forEach(key => {
       if (FIELD_FLAGS[key]) {
-        options.Ff |= FIELD_FLAGS[key]
+        result |= FIELD_FLAGS[key]
         delete options[key]
       }
     });
+    if (result !== 0) {
+      options.Ff = options.Ff ? options.Ff : 0;
+      options.Ff |= result;
+    }
     return options;
   },
 
   _resolveJustify (options) {
-    if (options.align && FIELD_JUSTIFY[options.align]) {
-      options.Q = FIELD_JUSTIFY[options.align];
+    let result = 0;
+    if (options.align !== undefined) {
+      if (typeof FIELD_JUSTIFY[options.align] === 'number') {
+        result = FIELD_JUSTIFY[options.align];
+      }
       delete options.align;
     }
+    if (result !== 0) {
+      options.Q = result;   // default
+    }
     return options;
   },