diff --git a/maths/trapezoidal_rule.py b/maths/trapezoidal_rule.py
index 629abb74e..9c62bd4bb 100644
--- a/maths/trapezoidal_rule.py
+++ b/maths/trapezoidal_rule.py
@@ -9,7 +9,7 @@ Method 1:
 """
 
 
-def method_1(boundary, steps):
+def trapezoidal_rule(boundary, steps):
     """
     This function implements the extended trapezoidal rule for numerical integration.
     The function f(x) is provided below.