Typo in Content description field for Flipbook Material Expression Function Output

**Typo in Content description field for Flipbook Material Expression Function Output

1. Open a blank Blueprint project in Unreal 4.24
2. Right click on the the Content Browser and create a new Material.
3. Double click on your new Material to open the Material Graph.
4. Right click on the Material Graph Editor type in Flipbook to create a flipbook material function. 
5. Double click your Flipbook material function and navigate to Output UV Center node.
6. Select the Output UV center node, and observe the details panel for description

Results: This value can be used for subsquent rotaiton operatons etc.

Expected: This value can be used for subsequent rotation operations, etc.