diff --git a/src/main/java/com/alibaba/fastjson/JSON.java b/src/main/java/com/alibaba/fastjson/JSON.java
index 6159c72b1b..5f6b04829f 100644
--- a/src/main/java/com/alibaba/fastjson/JSON.java
+++ b/src/main/java/com/alibaba/fastjson/JSON.java
@@ -267,7 +267,7 @@ public static JSONObject parseObject(String text) {
      * List<Model> models = JSON.parseObject(jsonStr, new TypeReference<List<Model>>() {});
      * </pre>
      * @param text json string
-     * @param type type refernce
+     * @param type type reference
      * @param features parser features
      * @return an object of type T from the string
      */
diff --git a/src/main/java/com/alibaba/fastjson/parser/DefaultJSONParser.java b/src/main/java/com/alibaba/fastjson/parser/DefaultJSONParser.java
index 210a952dea..a7f066a791 100644
--- a/src/main/java/com/alibaba/fastjson/parser/DefaultJSONParser.java
+++ b/src/main/java/com/alibaba/fastjson/parser/DefaultJSONParser.java
@@ -1278,7 +1278,7 @@ public final void parseArray(final Collection array, Object fieldName) {
                 }
             }
         } catch (ClassCastException e) {
-            throw new JSONException("unkown error", e);
+            throw new JSONException("unknown error", e);
         } finally {
             this.setContext(context);
         }
diff --git a/src/main/java/com/alibaba/fastjson/parser/deserializer/ASMDeserializerFactory.java b/src/main/java/com/alibaba/fastjson/parser/deserializer/ASMDeserializerFactory.java
index e2349758cb..b73fb8614a 100644
--- a/src/main/java/com/alibaba/fastjson/parser/deserializer/ASMDeserializerFactory.java
+++ b/src/main/java/com/alibaba/fastjson/parser/deserializer/ASMDeserializerFactory.java
@@ -706,7 +706,7 @@ private void _deserialze(ClassWriter cw, Context context) {
         mw.visitJumpInsn(GOTO_W, return_);
         mw.visitLabel(continue_3);
 
-        mw.visitInsn(ICONST_0); // UNKOWN
+        mw.visitInsn(ICONST_0); // UNKNOWN
         mw.visitIntInsn(ISTORE, context.var("matchStat"));
 
         int fieldListSize = context.fieldInfoList.length;
diff --git a/src/main/java/com/alibaba/fastjson/serializer/MiscCodec.java b/src/main/java/com/alibaba/fastjson/serializer/MiscCodec.java
index 6735274c74..9dafdee168 100644
--- a/src/main/java/com/alibaba/fastjson/serializer/MiscCodec.java
+++ b/src/main/java/com/alibaba/fastjson/serializer/MiscCodec.java
@@ -334,7 +334,7 @@ public <T> T deserialze(DefaultJSONParser parser, Type clazz, Object fieldName)
             try {
                 return (T) InetAddress.getByName(strVal);
             } catch (UnknownHostException e) {
-                throw new JSONException("deserialize inet adress error", e);
+                throw new JSONException("deserialize inet address error", e);
             }
         }