Fix spelling in docs
@@ -77,7 +77,7 @@ def get_subsystems_counts(complete_system_counts, post_select_index=None, post_s
partial measurement '11' or the 3-qubit partial measurement '011'.
If the post_select_index and post_select_flag parameter are specified, the counts are
- returned subject to that specific post-selection, that is, the counts for all subsystems where
+ returned subject to that specific post selection, that is, the counts for all subsystems where
the subsystem at index post_select_index is equal to post_select_flag.
