fix terminology

Author: sdgilley

articles/machine-learning/how-to-create-image-labeling-projects.md

@@ -207,7 +207,7 @@ View and change details of your project.  In this tab you can:
 
 [!INCLUDE [access](../../includes/machine-learning-data-labeling-access.md)]
 
-## Add new label class to a project
+## Add new labels to a project
 
 [!INCLUDE [add-label](../../includes/machine-learning-data-labeling-add-label.md)]
 

articles/machine-learning/how-to-create-text-labeling-projects.md

@@ -193,7 +193,7 @@ View and change details of your project.  In this tab you can:
 
 [!INCLUDE [access](../../includes/machine-learning-data-labeling-access.md)]
 
-## Add new label class to a project
+## Add new labels to a project
 
 [!INCLUDE [add-label](../../includes/machine-learning-data-labeling-add-label.md)]
 

includes/machine-learning-data-labeling-add-label.md

@@ -13,8 +13,8 @@ Use these steps to add one or more labels to a project:
 1. Select the project on the main **Data Labeling** page.
 1. At the top right of the page, toggle **Running** to **Paused** to stop labelers from their activity.
 1. Select the **Details** tab.
-1. In the list on the left, select **Label classes**.
-1. At the top of the list, select **+ Add Labels**
+1. In the list on the left, select **Label categories**.
+1. Modify your labels.
     ![Add a label](../articles/machine-learning/media/how-to-create-labeling-projects/add-label.png)
 1. In the form, add your new label. Then choose how to continue the project.  Since you've changed the available labels, you choose how to treat the already labeled data:
     * Start over, removing all existing labels.  Choose this option if you want to start labeling from the beginning with the new full set of labels. 

includes/machine-learning-data-labeling-classes.md

@@ -6,7 +6,7 @@ ms.date: 09/23/2021
 ms.author: sdgilley
 ---
 
-On the **Label classes** page, specify the set of classes to categorize your data. Your labelers' accuracy and speed are affected by their ability to choose among the classes. For instance, instead of spelling out the full genus and species for plants or animals, use a field code or abbreviate the genus.
+On the **Label categories** page, specify the set of classes to categorize your data. Your labelers' accuracy and speed are affected by their ability to choose among the classes. For instance, instead of spelling out the full genus and species for plants or animals, use a field code or abbreviate the genus.
 
 You can use either a flat list or create groups of labels.