Lookup stage typo fix

Author: jeff-allen-mongo

source/reference/pipeline/lookup-stage.txt

@@ -12,9 +12,12 @@
    :depth: 2
    :class: singlecol
 
-``$lookup`` performs a left outer join to an unsharded collection in the 
+``$lookup`` performs a left outer join to an unsharded collection in the
 same database to filter in documents from the “joined” collection for
-processing. For more information, see :manual:`$lookup </manual/reference/operator/aggregation/lookup/>`. In {+data-lake+}, ``$lookup`` can be used to perform a join of collections from different databases. 
+processing. For more information, see
+:manual:`$lookup </reference/operator/aggregation/lookup/>`. In
+{+data-lake+}, ``$lookup`` can be used to perform a join of collections
+from different databases. 
 
 .. _adl-lookup-syntax: