From 7fb9c42c5ceedf73a37807160d1b0440eb4d88a4 Mon Sep 17 00:00:00 2001
From: Dongdong Tian <seisman.info@gmail.com>
Date: Fri, 27 Oct 2023 12:25:57 +0800
Subject: [PATCH] Improve docstrings [skip ci]

---
 pygmt/helpers/validators.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pygmt/helpers/validators.py b/pygmt/helpers/validators.py
index 7f2831ee5e9..5d11b39f16e 100644
--- a/pygmt/helpers/validators.py
+++ b/pygmt/helpers/validators.py
@@ -1,5 +1,5 @@
 """
-Functions to check if a given argument is valid.
+Functions to check if given arguments are valid.
 """
 import warnings
 
@@ -17,7 +17,7 @@ def validate_output_type(output_type, outfile=None):
         "pandas".
     outfile : str
         The file name for the output table file. Required if
-        `output_type="file"`.
+        ``output_type="file"``.
 
     Returns
     -------