[Misc] Fix typo. (#5775)

Co-authored-by: Ubuntu <ubuntu@ip-172-31-28-63.ap-northeast-1.compute.internal>

python/dgl/graphbolt/graph_storage/csc_sampling_graph.py

@@ -219,11 +219,11 @@ class CSCSamplingGraph:
             The value of each fanout should be >= 0 or = -1.
               - When the value is -1, all neighbors will be chosen for
                 sampling. It is equivalent to selecting all neighbors when
-              the fanout is >= the number of neighbors (and replacement
-              is set to false).
+                the fanout is >= the number of neighbors (and replace is set to
+                false).
               - When the value is a non-negative integer, it serves as a
                 minimum threshold for selecting neighbors.
-        replce: bool
+        replace: bool
             Boolean indicating whether the sample is preformed with or
             without replacement. If True, a value can be selected multiple
             times. Otherwise, each value can be selected only once.