Merge pull request #2549 from SzymSie/patch-3

Fix InfoBanner part9 info - typo & grammar

Author: mluukkai

src/components/InfoBanner.js

@@ -47,7 +47,7 @@ const InfoBanner = ({ visible, onHide }) => {
       <div style={textStyle}>
         <p>There are some changes in part 9. The <i>Patientor</i> example app structure has been refactored to a less complex form to make it easier to concentrate on learning TypeScript.</p>
         <div style={{ marginTop: 10 }}>
-          If you are just working with the old Patientor, no worris, the old material shall stay online for couple of weeks.
+          If you are just working with the old Patientor, no worries, the old material shall stay online for a couple of weeks.
         </div>
 
         <div style={{ marginTop: 10 }}><i>If you have already completed the part 9, this change has absolutely no effect on your progress.</i></div>

src/content/6/en/part6e.md

@@ -7,7 +7,7 @@ lang: en
 
 <div class="tasks">
 
-**NOTE**: this is the old ending section of the 6 part that has 30th January 2023 been replaced with material about [React Query, useReducer and context](/en/part6/react_query_use_reducer_and_the_context). This section remains here for couple of weeks.
+**NOTE**: this is the old ending section of the 6 part that has 30th January 2023 been replaced with material about [React Query, useReducer and context](/en/part6/react_query_use_reducer_and_the_context). This section remains here for a couple of weeks.
 
 If you have started with the exercises (6.19-6.21) that use the Redux connect you may continue with those. If you have not yet started, I recommend to proceed with the new section.
 </div>
@@ -602,7 +602,7 @@ More about this [here](https://www.simplethread.com/cant-replace-redux-with-hook
 
 ### Exercises 6.19.-6.21.
 
-**NOTE**: this is the old ending section of the 6 part that has 30th January 2023 been replaced with material about [React Query, useReducer and context](/en/part6/react_query_use_reducer_and_the_contex). This section remains here for couple of weeks.
+**NOTE**: this is the old ending section of the 6 part that has 30th January 2023 been replaced with material about [React Query, useReducer and context](/en/part6/react_query_use_reducer_and_the_contex). This section remains here for a couple of weeks.
 
 If you have started with the exercises that use the Redux connect you may continue with those. If you have not yet started, I recommend to proceed with the new section.
 

src/content/9/en/part9f.md

@@ -9,7 +9,7 @@ lang: en
 
 **NOTE**: this is the old section about Patientor frontend that was replaced 12th February 2023, with [this chapter](/en/part9/grande_finale_patientor_frontend). In the change, the Patientor frontend structure was refactored to a simpler form that makes it much easier to focus on learning TypeScript. 
 
-If you have started doing the exercises with the old Patientor, you may continue with this section. If not, then it is recommended to use the "new" patientor. This section remains here for couple of weeks.
+If you have started doing the exercises with the old Patientor, you may continue with this section. If not, then it is recommended to use the "new" patientor. This section remains here for a couple of weeks.
 </div>
 
 <div class="content">