Updated API from documentation release

Author: ct-sdks[bot]

api-specs/api/types/cart-discount/CartDiscountPatternTarget.raml

@@ -8,23 +8,25 @@ description: |
 
   Unlike [CartDiscountLineItemsTarget](#cartdiscountlineitemstarget) and [CartDiscountCustomLineItemsTarget](#cartdiscountcustomlineitemstarget), it does not apply to a (Custom) Line Item as a whole, but to individual units of a (Custom) Line Item. The discounts can apply multiple times on the same cart, but each unit can be discounted only once.
 properties:
-  triggerPattern?:
+  triggerPattern:
     type: array
     items: PatternComponent
     description: |
-      Units of a (Custom) Line Item that trigger a discount application.
+      Defines the set of units of (Custom) Line Items in a Cart that trigger a discount application.
 
-      Based on the availability of matching units, the `triggerPattern` can match multiple times, effecting the number of times the discount will be applied.
+      Based on the availability of matching units, the `triggerPattern` can match multiple times, limiting the number of maximum times the discount will be applied.
       To further limit the discount application, set the `maxOccurrence`.
 
-      If empty or not set, the Discount will apply indefinitely.
+      If empty, the Discount will apply indefinitely.
   targetPattern:
     type: array
     items: PatternComponent
     description: |
-      Units of (Custom) Line Items on which the Discount is applied.
+      Defines the set of units of (Custom) Line Items in a Cart on which the Discount is applied.
 
       Based on the availability of matching units and the limits from the `triggerPattern` or `maxOccurence`, the `targetPattern` can match multiple times.
+
+      This array cannot be empty.
   maxOccurrence?:
     type: integer
     description: |

api-specs/history/types/change/change-value/ChangeTargetPatternChangeValue.raml

@@ -9,16 +9,16 @@ properties:
     type: string
     enum:
       - pattern
-  triggerPattern?:
+  triggerPattern:
     type: array
     items: PatternComponent
     description: |
-      Units of a (Custom) Line Item that triggered the discount application.
+      Defines the set of units of (Custom) Line Items in a Cart that triggered the discount application.
   targetPattern:
     type: array
     items: PatternComponent
     description: |
-      Units of (Custom) Line Items on which the Discount is applied.
+      Defines the set of units of (Custom) Line Items in a Cart on which the Discount is applied.
   maxOccurrence?:
     type: integer
     description: |