Apply suggestions from code review

Co-authored-by: Emily de la Rua <[email protected]>
Signed-off-by: Joe Zhu <[email protected]>

NEWS.md

@@ -1,11 +1,13 @@
 # tern 0.8.5
 
-### Miscellaneous
-* Started deprecation cycle for `summarize_vars` and `control_summarize_vars`. Renamed into `analyze_vars` and `control_analyze_vars` to reflect underlying `rtables` machinery while keeping backward compatibility with aliases.
+### Enhancements
 * Added `ylim` argument to `g_km` to allow the user to set custom limits for the y-axis.
 * Added assertion to `g_km` which checks whether there is one arm present in the data when `annot_coxph` is true.
 * Added `flag_labels` argument to `s_count_patients_with_flags` to enable more label handling options in `count_patients_by_flags`. 
 
+### Miscellaneous
+* Started deprecation cycle for `summarize_vars` and `control_summarize_vars`. Renamed into `analyze_vars` and `control_analyze_vars` to reflect underlying `rtables` machinery while keeping backward compatibility with aliases.
+
 # tern 0.8.4
 
 ### Enhancements