Fix some typos in editor manual doc

docs/editor_manual/new_pages/inserting_images.rst

@@ -38,7 +38,7 @@ The image below demonstrates finding and  inserting an image that is already pre
 
 #. You must include an image title for your uploaded image
 #. Click the *Choose file* button to choose an image from your computer.
-#. This *Tags* allows you to associate tags with the image you are uploading. This allows them to be more easily found when searching. Each tag should be separated by a space. Good practice for creating multiple word tags is to use an underscore between each word (e.g. western_yellow_wagtail).
+#. *Tags* allows you to associate tags with the image you are uploading. This allows them to be more easily found when searching. Each tag should be separated by a space. Good practice for creating multiple word tags is to use an underscore between each word (e.g. western_yellow_wagtail).
 #. Click *Upload* to insert the uploaded image into the carousel. The image will also be added to the main CMS image library for reuse in other content.
 
 Inserting images using the rich text field
@@ -48,7 +48,7 @@ __________________________________________
 
 Images can also be inserted into the body text of a page via the rich text editor. When working in a rich text field, click the image illustrated above. You will then be presented with the same options as for inserting images into the main carousel.
 
-In addition, Wagtail allows you to chose an alignment for you image.
+In addition, Wagtail allows you to choose an alignment for you image.
 
 .. image:: ../../_static/images/screen18_image_alignment.png