Open a building. For more information on how to do so, see section 4.6.1., 5.4.3. or 6.1.1.
Go to the building card (see image below).
Click the icon "Comments" (see the first image below). When you do so, a comments window will open (see the second image below).
Go to the comments window.
Place your cursor on the comment you wish to remove (see the first image below). When you do so, you will be shown two icons: "Edit" and "Delete" (see the second image below).
Click "Delete" (see the first image below). When you do so, a dialog asking the following question will open: "Are you sure you want to delete the comment?" (see the second image below).
Click "Delete" in the dialog (see the first image below). When you do so, the comment you are working with will be removed from the building you are working with (see the second image below).
