Doc updates

Author: Nkrb

powerapps-docs/maker/canvas-apps/functions/function-patch.md

@@ -100,7 +100,7 @@ In these examples, you'll modify or create a record in a data source, named **Ic
 
 | Formula | Description | Result |
 | --- | --- | --- |
-| **Patch(&nbsp;IceCream,<br>First( Filter( IceCream, Flavor = "Chocolate" ) ), {&nbsp;Quantity:&nbsp;400&nbsp;} )** |Modifies a record in the **IceCream** data source:<ul><li> The **ID** column of the record to modify contains the value of **1**. (The **Chocolate** record has that ID.)</li><li>The value in the **Quantity** column changes to **400**. |{&nbsp;ID:&nbsp;1, Flavor:&nbsp;"Chocolate", Quantity:&nbsp;400 }<br><br>The **Chocolate** entry in the **IceCream** data source has been modified. |
+| **Patch(&nbsp;IceCream,<br>Lookup( IceCream, Flavor = "Chocolate" ), {&nbsp;Quantity:&nbsp;400&nbsp;} )** |Modifies a record in the **IceCream** data source:<ul><li> The **ID** column of the record to modify contains the value of **1**. (The **Chocolate** record has that ID.)</li><li>The value in the **Quantity** column changes to **400**. |{&nbsp;ID:&nbsp;1, Flavor:&nbsp;"Chocolate", Quantity:&nbsp;400 }<br><br>The **Chocolate** entry in the **IceCream** data source has been modified. |
 | **Patch( IceCream, Defaults(&nbsp;IceCream ), {&nbsp;Flavor:&nbsp;"Strawberry"&nbsp;}&nbsp;)** |Creates a record in the **IceCream** data source:<ul><li>The **ID** column contains the value **3**, which the data source generates automatically.</li><li>The **Quantity** column contains **0**, which is the default value for that column in the **IceCream** data source, as the **[Defaults](function-defaults.md)** function specifies.<li>The **Flavor** column contains the value of **Strawberry**.</li> |{ ID:&nbsp;3, Flavor:&nbsp;"Strawberry", Quantity:&nbsp;0&nbsp;}<br><br>The **Strawberry** entry in the **IceCream** data source has been created. |
 
 After the previous formulas have been evaluated, the data source ends with these values:

powerapps-docs/maker/canvas-apps/functions/function-update-updateif.md

@@ -43,7 +43,7 @@ Both **Update** and **UpdateIf** return the modified data source as a [table](..
 * *DataSource* – Required. The data source that contains the record that you want to replace.
 * *OldRecord* – Required. The record to replace.
 * *NewRecord* – Required. The replacement record. This isn't a change record. The entire record is replaced, and missing properties will contain *blank*.
-* **All** – Optional. In a collection, the same record may appear more than once. Specify the **All** argument to remove all copies of the record.
+* *All* – Optional. In a collection, the same record may appear more than once. Specify the **All** argument to update all copies of the record.
 
 **UpdateIf**( *DataSource*, *Condition1*, *ChangeRecord1* [, *Condition2*, *ChangeRecord2*, ... ] )
 

powerapps-docs/maker/canvas-apps/functions/function-updatecontext.md

@@ -72,7 +72,7 @@ Every context variable is scoped to a screen. If you want to define a context va
 | **UpdateContext( {&nbsp;Person:&nbsp;{&nbsp;Name:&nbsp;"Milton", Address:&nbsp;"1&nbsp;Main&nbsp;St"&nbsp;}&nbsp;} )** |Creates or modifies the context variable **Person**, setting its value to a record. The record contains two columns, named **Name** and **Address**. The value of the **Name** column is **Milton**, and the value of the **Address** column is **1 Main St**. |**Person** has the value of record **{&nbsp;Name:&nbsp;"Milton", Address:&nbsp;"1&nbsp;Main&nbsp;St"&nbsp;}&nbsp;}**.<br><br>Reference this record as a whole with the name **Person**, or reference an individual column of this record with **Person.Name** or **Person.Address**. |
 | **UpdateContext( {&nbsp;Person: Patch(&nbsp;Person,&nbsp;{Address:&nbsp;"2&nbsp;Main&nbsp;St"&nbsp;}&nbsp;) }&nbsp;)** |Works with the **[Patch](function-patch.md)** function to update the **Person** context variable by setting the value of the **Address** column to **2 Main St**. |**Person** now has the value of record **{&nbsp;Name:&nbsp;"Milton", Address:&nbsp;"2&nbsp;Main&nbsp;St"&nbsp;}&nbsp;}**. |
 
-### Step-by-step example
+### Step-by-step example 1
 1. Name the default screen **Source**, add another screen, and name it **Target**.
 2. On the **Source** screen, add two buttons, and set their **[Text](../controls/properties-core.md)** properties so that one says **English** and the other says **Spanish**.
 3. Set the **[OnSelect](../controls/properties-core.md)** property of the **English** button to this expression:<br>**Navigate(Target, ScreenTransition.Fade, {Language:"English"})**
@@ -88,5 +88,11 @@ Every context variable is scoped to a screen. If you want to define a context va
     On the **Target** screen, the label appears in the language that corresponds to the button that you selected.
 10. Press Esc to return to the default workspace.
 
+### Step-by-step example 2
+
+1. Open the canvas app where you want to use this formula. 
+1. Add a new blank screen by selecting **New screen** from the command bar.
+1. Add a button, and set its **[OnSelect](../controls/properties-core.md)** property to this formula: <br> **UpdateContext( { Name: "Lily", Score: 10 } )**
+   
 [Another example](../add-screen-context-variables.md)