diff --git a/crates/ruff/src/rules/pycodestyle/rules/logical_lines/whitespace_around_named_parameter_equals.rs b/crates/ruff/src/rules/pycodestyle/rules/logical_lines/whitespace_around_named_parameter_equals.rs
index 0a0d4adc62dbdf..3d0c07ab0aeecc 100644
--- a/crates/ruff/src/rules/pycodestyle/rules/logical_lines/whitespace_around_named_parameter_equals.rs
+++ b/crates/ruff/src/rules/pycodestyle/rules/logical_lines/whitespace_around_named_parameter_equals.rs
@@ -8,10 +8,15 @@ use crate::checkers::logical_lines::LogicalLinesContext;
 use crate::rules::pycodestyle::rules::logical_lines::{LogicalLine, LogicalLineToken};
 
 /// ## What it does
-/// Checks for unexpected spaces around keyword / parameter equals.
+/// Checks for unexpected spaces around the equals sign in a keyword argument.
 ///
 /// ## Why is this bad?
-/// Unexpected spaces around keyword / parameter equals makes the code harder to read.
+/// According to [PEP 8], there should be no spaces around the equals sign in a
+/// keyword argument:
+///
+/// > Don’t use spaces around the = sign when used to indicate a keyword
+/// > argument, or when used to indicate a default value for an unannotated
+/// > function parameter.
 ///
 /// ## Example
 /// ```python
@@ -30,6 +35,8 @@ use crate::rules::pycodestyle::rules::logical_lines::{LogicalLine, LogicalLineTo
 ///
 /// foo(bar=1)
 /// ```
+///
+/// [PEP 8]: https://peps.python.org/pep-0008/#whitespace-in-expressions-and-statements
 #[violation]
 pub struct UnexpectedSpacesAroundKeywordParameterEquals;
 
@@ -44,7 +51,12 @@ impl Violation for UnexpectedSpacesAroundKeywordParameterEquals {
 /// Checks for missing whitespace around parameter equals.
 ///
 /// ## Why is this bad?
-/// Missing whitespace around parameter equals makes the code harder to read.
+/// According to [PEP 8], there should be no spaces around the equals sign in a
+/// keyword argument:
+///
+/// > Don’t use spaces around the = sign when used to indicate a keyword
+/// > argument, or when used to indicate a default value for an unannotated
+/// > function parameter.
 ///
 /// ## Example
 /// ```python