From c7e4325b2ce011b24249babeab3aa2089033d69d Mon Sep 17 00:00:00 2001
From: Matthew Turner <matthew.m.turner@outlook.com>
Date: Fri, 2 Aug 2024 08:49:43 -0400
Subject: [PATCH] Add docs and rename param

---
 datafusion/expr/src/signature.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/datafusion/expr/src/signature.rs b/datafusion/expr/src/signature.rs
index eadd7ac2f83f..b1cec3bad774 100644
--- a/datafusion/expr/src/signature.rs
+++ b/datafusion/expr/src/signature.rs
@@ -266,9 +266,10 @@ impl Signature {
         }
     }
 
-    pub fn numeric(num: usize, volatility: Volatility) -> Self {
+    /// A specified number of numeric arguments
+    pub fn numeric(arg_count: usize, volatility: Volatility) -> Self {
         Self {
-            type_signature: TypeSignature::Numeric(num),
+            type_signature: TypeSignature::Numeric(arg_count),
             volatility,
         }
     }