Merge pull request #6182 from samueldg/fix-manager-class-typos

Fix manager class typos

Author: willmcgugan

src/textual/widgets/_markdown.py

@@ -38,7 +38,7 @@
 
 
 class MarkdownStream:
-    """An object to manager streaming markdown.
+    """An object to manage streaming markdown.
 
     This will accumulate markdown fragments if they can't be rendered fast enough.
 

src/textual/worker_manager.py

@@ -22,7 +22,7 @@
 
 @rich.repr.auto(angular=True)
 class WorkerManager:
-    """An object to manager a number of workers.
+    """An object to manage a number of workers.
 
     You will not have to construct this class manually, as widgets, screens, and apps
     have a worker manager accessibly via a `workers` attribute.