diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index fd57a08..e7874d9 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -3,9 +3,7 @@
   <component name="ChangeListManager">
     <list default="true" id="2dc093a7-8382-4e31-b457-ce6c9fd10d13" name="Default Changelist" comment="">
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/model/Product.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/model/Product.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/repository/CrudRepositoryImpl.java" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/service/ProductServiceImpl.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/service/ProductServiceImpl.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/README.md" beforeDir="false" afterPath="$PROJECT_DIR$/README.md" afterDir="false" />
     </list>
     <ignored path="$PROJECT_DIR$/target/" />
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
@@ -106,7 +104,7 @@
       <file pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/controller/ProductController.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="199">
+            <state relative-caret-position="192">
               <caret line="88" selection-start-line="88" selection-end-line="88" />
               <folding>
                 <element signature="imports" expanded="true" />
@@ -127,11 +125,11 @@
           </provider>
         </entry>
       </file>
-      <file pinned="false" current-in-tab="false">
+      <file pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/service/ProductServiceImpl.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="378">
-              <caret line="93" column="63" lean-forward="true" selection-start-line="93" selection-start-column="63" selection-end-line="93" selection-end-column="63" />
+            <state relative-caret-position="456">
+              <caret line="123" lean-forward="true" selection-start-line="123" selection-end-line="123" />
               <folding>
                 <element signature="imports" expanded="true" />
               </folding>
@@ -151,11 +149,11 @@
           </provider>
         </entry>
       </file>
-      <file pinned="false" current-in-tab="true">
+      <file pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/model/Product.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="272">
-              <caret line="41" column="26" selection-start-line="41" selection-start-column="26" selection-end-line="41" selection-end-column="26" />
+            <state relative-caret-position="62">
+              <caret line="27" selection-start-line="27" selection-end-line="27" />
               <folding>
                 <element signature="imports" expanded="true" />
               </folding>
@@ -163,6 +161,15 @@
           </provider>
         </entry>
       </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="jar://$MAVEN_REPOSITORY$/org/springframework/spring-aop/5.1.4.RELEASE/spring-aop-5.1.4.RELEASE.jar!/org/springframework/aop/framework/JdkDynamicAopProxy.class">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="178">
+              <caret line="84" selection-start-line="84" selection-end-line="84" />
+            </state>
+          </provider>
+        </entry>
+      </file>
     </leaf>
   </component>
   <component name="FileTemplateManagerImpl">
@@ -210,9 +217,9 @@
         <option value="$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/service/ProductService.java" />
         <option value="$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/controller/ProductController.java" />
         <option value="$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/repository/CrudRepositoryImpl.java" />
-        <option value="$PROJECT_DIR$/README.md" />
         <option value="$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/service/ProductServiceImpl.java" />
         <option value="$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/model/Product.java" />
+        <option value="$PROJECT_DIR$/README.md" />
       </list>
     </option>
   </component>
@@ -429,7 +436,7 @@
       <workItem from="1547322960420" duration="21872000" />
       <workItem from="1547401179909" duration="33384000" />
       <workItem from="1548159944175" duration="16987000" />
-      <workItem from="1548273577966" duration="2213000" />
+      <workItem from="1548273577966" duration="2970000" />
     </task>
     <task id="LOCAL-00001" summary="added quantityChange validation, product validation, checking existing object in db, throwing exeption">
       <created>1548121370553</created>
@@ -515,11 +522,18 @@
       <option name="project" value="LOCAL" />
       <updated>1548238865354</updated>
     </task>
-    <option name="localTasksCounter" value="13" />
+    <task id="LOCAL-00013" summary="fix update product">
+      <created>1548276405635</created>
+      <option name="number" value="00013" />
+      <option name="presentableId" value="LOCAL-00013" />
+      <option name="project" value="LOCAL" />
+      <updated>1548276405635</updated>
+    </task>
+    <option name="localTasksCounter" value="14" />
     <servers />
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="74456000" />
+    <option name="totallyTimeSpent" value="75213000" />
   </component>
   <component name="TodoView">
     <todo-panel id="selected-file">
@@ -532,6 +546,7 @@
   </component>
   <component name="ToolWindowManager">
     <frame x="0" y="23" width="1680" height="1027" extended-state="6" />
+    <editor active="true" />
     <layout>
       <window_info content_ui="combo" id="Project" order="0" sideWeight="0.49810606" visible="true" weight="0.18131869" />
       <window_info id="Structure" order="1" side_tool="true" weight="0.25" />
@@ -542,12 +557,12 @@
       <window_info anchor="bottom" id="Message" order="0" />
       <window_info anchor="bottom" id="Find" order="1" sideWeight="0.498779" weight="0.32941177" />
       <window_info anchor="bottom" id="Run" order="2" sideWeight="0.498779" weight="0.3315508" />
-      <window_info anchor="bottom" id="Debug" order="3" visible="true" weight="0.46203208" />
+      <window_info anchor="bottom" id="Debug" order="3" weight="0.46203208" />
       <window_info anchor="bottom" id="Cvs" order="4" weight="0.25" />
       <window_info anchor="bottom" id="Inspection" order="5" weight="0.4" />
       <window_info anchor="bottom" id="TODO" order="6" weight="0.32941177" />
       <window_info anchor="bottom" id="Spring" order="7" sideWeight="0.4993895" weight="0.32941177" />
-      <window_info anchor="bottom" id="Terminal" order="8" sideWeight="0.497558" weight="0.3657754" />
+      <window_info active="true" anchor="bottom" id="Terminal" order="8" sideWeight="0.497558" visible="true" weight="0.3657754" />
       <window_info anchor="bottom" id="Docker" order="9" show_stripe_button="false" />
       <window_info anchor="bottom" id="Event Log" order="10" sideWeight="0.502442" side_tool="true" weight="0.44919786" />
       <window_info anchor="bottom" id="Messages" order="11" weight="0.32941177" />
@@ -561,7 +576,7 @@
       <window_info anchor="right" content_ui="combo" id="Hierarchy" order="2" weight="0.25" />
       <window_info anchor="right" id="Maven" order="3" weight="0.32967034" />
       <window_info anchor="right" id="Palette" order="4" />
-      <window_info active="true" anchor="right" id="Database" order="5" visible="true" weight="0.4041514" />
+      <window_info anchor="right" id="Database" order="5" weight="0.4041514" />
       <window_info anchor="right" id="Palette&#9;" order="6" />
       <window_info anchor="right" id="Bean Validation" order="7" />
     </layout>
@@ -625,7 +640,8 @@
     <MESSAGE value="update readme.md" />
     <MESSAGE value="fix default page size in /get-all" />
     <MESSAGE value="fix readme" />
-    <option name="LAST_COMMIT_MESSAGE" value="fix readme" />
+    <MESSAGE value="fix update product" />
+    <option name="LAST_COMMIT_MESSAGE" value="fix update product" />
     <option name="OPTIMIZE_IMPORTS_BEFORE_PROJECT_COMMIT" value="true" />
     <option name="REFORMAT_BEFORE_PROJECT_COMMIT" value="true" />
     <option name="REARRANGE_BEFORE_PROJECT_COMMIT" value="true" />
@@ -783,23 +799,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="jar://$MAVEN_REPOSITORY$/org/springframework/spring-aop/5.1.4.RELEASE/spring-aop-5.1.4.RELEASE.jar!/org/springframework/aop/framework/JdkDynamicAopProxy.class">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="178">
-          <caret line="84" selection-start-line="84" selection-end-line="84" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/controller/ProductController.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="199">
-          <caret line="88" selection-start-line="88" selection-end-line="88" />
-          <folding>
-            <element signature="imports" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/repository/CrudRepositoryImpl.java">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="90">
@@ -827,20 +826,37 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/service/ProductServiceImpl.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/model/Product.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="378">
-          <caret line="93" column="63" lean-forward="true" selection-start-line="93" selection-start-column="63" selection-end-line="93" selection-end-column="63" />
+        <state relative-caret-position="62">
+          <caret line="27" selection-start-line="27" selection-end-line="27" />
           <folding>
             <element signature="imports" expanded="true" />
           </folding>
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/model/Product.java">
+    <entry file="jar://$MAVEN_REPOSITORY$/org/springframework/spring-aop/5.1.4.RELEASE/spring-aop-5.1.4.RELEASE.jar!/org/springframework/aop/framework/JdkDynamicAopProxy.class">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="272">
-          <caret line="41" column="26" selection-start-line="41" selection-start-column="26" selection-end-line="41" selection-end-column="26" />
+        <state relative-caret-position="178">
+          <caret line="84" selection-start-line="84" selection-end-line="84" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/controller/ProductController.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="192">
+          <caret line="88" selection-start-line="88" selection-end-line="88" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/service/ProductServiceImpl.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="456">
+          <caret line="123" lean-forward="true" selection-start-line="123" selection-end-line="123" />
           <folding>
             <element signature="imports" expanded="true" />
           </folding>
diff --git a/README.md b/README.md
index 913c8ed..90b6cec 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 ## MODEL
 
-###Product
+### Product
 ```json5
 {
  "id": Int,
@@ -29,7 +29,7 @@ Any of these couldn't be ``null``
 
 ## API 
 
-###Edit quantity of the product.
+### Edit quantity of the product.
 
 The service will handle `POST` requests for `/api/product/change-quantity`, by changing quantity of product in database.
 
@@ -64,7 +64,7 @@ Response `200` with `JSON`:
 
 * * *
 
-###Retrieve a paginated list of products
+### Retrieve a paginated list of products
    
 The service will handle `GET` requests for `/api/get-all`, by retreving a paginated list of products. Optionally with a `page`, `size` **or**  `page`, `size` and`sort` parameters in the query string. 
 Page start numbering on `page=0`. Default list is sorted by `id`.
@@ -121,7 +121,7 @@ Response `200` with `JSON`:
 ```
 
 * * *
-###Get price of all products.
+### Get price of all products.
 The service will handle `GET` request on `/api/get-price-of-all` returing `Float` price of all products in the database.
 
 ```json
@@ -136,8 +136,9 @@ Response `200` with `JSON`:
 }
 ```
 
+
 * * *
-###Create a new product.
+### Create a new product.
 The service will handle `POST` request `/api/product/add`, by adding `Product` to database.
 
 ```json
@@ -153,7 +154,7 @@ Content-Type: application/json
  "imageLink": String
 }
 ```
-Response 201 with JSON
+Response `201` with `JSON` 
 
 ```json
 
@@ -168,7 +169,7 @@ Response 201 with JSON
 ```
 
 * * *
-###Delete product with `id`.
+### Delete product with `id`.
 The service will handle `DELETE` request `/api/delete-product`, by  
 
 ```json
@@ -185,7 +186,7 @@ Response `200`:
 
 * * *
 
-###Get product with `id`
+### Get product with `id`
 The service wil handle `GET` request `/api/product/get-by-id`, by returning product with `id`. 
 
 ```json
@@ -212,7 +213,7 @@ Response `200` with `JSON`:
 
 * * *
 
-###Update product
+### Update product
 The service will handle ``POST`` request `/api/product/update/{id}` with path variable `id`, by updating existing product. In request
 `id` is required, fields which won't be modified should be `null`.