Fix typo in using-predictors.md (#9132)

* Fix typo in using-predictors.md

* Update using-predictors.md

Co-authored-by: Sean Wheeler <[email protected]>

Author: SteveL-MSFT

reference/docs-conceptual/learn/shell/using-predictors.md

@@ -1,10 +1,10 @@
 ---
 description: This article describes the features and usage of Predictive IntelliSense in PSReadLine.
 no-loc: [<kbd>Tab</kbd>, <kbd>F2</kbd>, <kbd>RightArrow</kdb>, <kbd>Enter</kbd>]
-title: Using predictors is PSReadLine
+title: Using predictors in PSReadLine
 ms.date: 7/14/2022
 ---
-# Using predictors is PSReadLine
+# Using predictors in PSReadLine
 
 **PSReadLine** 2.1.0 introduced the **Predictive IntelliSense** feature. Predictive IntelliSense
 provides suggestions for full commands based on items from your **PSReadLine** history.