diff --git a/ast/node.go b/ast/node.go
index 5dc3d6a..9328eda 100644
--- a/ast/node.go
+++ b/ast/node.go
@@ -27,7 +27,7 @@ import (
 )
 
 const (
-    _MAP_THRESHHOLD    = 5
+    _MAP_THRESHOLD     = 5
     _CAP_BITS          = 32
     _LEN_MASK          = 1<<_CAP_BITS - 1
     _APPEND_EXTRA_SIZE = 5
@@ -394,7 +394,7 @@ func (self *Node) mapped() bool {
     if self.m != nil && len(self.m) == self.Len() {
         return true
     }
-    if self.Len() > _MAP_THRESHHOLD {
+    if self.Len() > _MAP_THRESHOLD {
         self.appendMap()
         return true
     }
diff --git a/decoder/assembler_amd64.go b/decoder/assembler_amd64.go
index 602442e..105b737 100644
--- a/decoder/assembler_amd64.go
+++ b/decoder/assembler_amd64.go
@@ -76,7 +76,7 @@ const (
 const (
     _IM_null = 0x6c6c756e   // 'null'
     _IM_true = 0x65757274   // 'true'
-    _IM_alse = 0x65736c61   // 'fals' ('false' without the 'f')
+    _IM_alse = 0x65736c61   // 'alse' ('false' without the 'f')
 )
 
 const (
diff --git a/internal/resolver/resolver.go b/internal/resolver/resolver.go
index b9b6cc4..796d5d8 100644
--- a/internal/resolver/resolver.go
+++ b/internal/resolver/resolver.go
@@ -97,9 +97,10 @@ func (self *FieldMeta) optimize() {
 
     /* last offset value */
     if v != 0 {
-        self.Path[n].Type    = nil
-        self.Path[n].Size, v = v, 0
-        self.Path[n].Kind, n = F_offset, n + 1
+        self.Path[n].Size = v
+        self.Path[n].Type = nil
+        self.Path[n].Kind = F_offset
+        n++
     }
 
     /* must be at least 1 offset */
@@ -187,7 +188,7 @@ func ResolveStruct(vt reflect.Type) []FieldMeta {
     var ok bool
     var fm []FieldMeta
 
-    /* attemt to read from cache */
+    /* attempt to read from cache */
     fieldLock.RLock()
     fm, ok = fieldCache[vt]
     fieldLock.RUnlock()