diff --git a/packages/pigment-css-react/src/styledEngineMockup.ts b/packages/pigment-css-react/src/styledEngineMockup.ts
index b1b1fe5b..29dce93b 100644
--- a/packages/pigment-css-react/src/styledEngineMockup.ts
+++ b/packages/pigment-css-react/src/styledEngineMockup.ts
@@ -1,4 +1,4 @@
-/* 
+/*
  * Replicates `@mui/styled-engine` internals for the plugins to swap the runtime.
  */