DOC: fix PR07 for pandas.merge_ordered (#58936)

Author: tuhinsharma121

ci/code_checks.sh

@@ -467,7 +467,6 @@ if [[ -z "$CHECK" || "$CHECK" == "docstrings" ]]; then
         -i "pandas.json_normalize RT03,SA01" \
         -i "pandas.merge PR07" \
         -i "pandas.merge_asof PR07,RT03" \
-        -i "pandas.merge_ordered PR07" \
         -i "pandas.period_range RT03,SA01" \
         -i "pandas.plotting.andrews_curves RT03,SA01" \
         -i "pandas.plotting.lag_plot RT03,SA01" \

pandas/core/reshape/merge.py

@@ -316,7 +316,9 @@ def merge_ordered(
     Parameters
     ----------
     left : DataFrame or named Series
+        First pandas object to merge.
     right : DataFrame or named Series
+        Second pandas object to merge.
     on : label or list
         Field names to join on. Must be found in both DataFrames.
     left_on : label or list, or array-like