botorch docstring typo fix (#3020)

Summary:
Pull Request resolved: #3020

Noticed this typo, might as well fix it.

Reviewed By: saitcakmak

Differential Revision: D82972443

fbshipit-source-id: 4ae33a7df9a0a41ee2997756df7f413e73423ff9

Author: bletham

botorch/acquisition/logei.py

@@ -449,7 +449,7 @@ def _init_baseline(
 
     @property
     def X_baseline(self) -> Tensor:
-        """Returns the set of pointsthat should be considered as the incumbent.
+        """Returns the set of points that should be considered as the incumbent.
 
         For incremental EI, this contains the previously evaluated points
         (X_baseline) and pending points (X_pending). For non-incremental