diff --git a/tests/test_STC.py b/tests/test_STC.py
index 206c6183..3c611634 100644
--- a/tests/test_STC.py
+++ b/tests/test_STC.py
@@ -3,7 +3,7 @@
 
 This test verifies the correct implementation of initialization and diagnostics for spatio-temporal coupling in Gaussian lasers. It does so by creating a Gaussian pulse at focus and calculating the STC factors using the implemented functions in `laser.utils`.
 
-Additionally, the correctness is validated by comparing the Gaussian profile at focus with a combined Gaussian profile out of focus.
+Additionally, the correctness is validated by comparing the Gaussian profile with a combined Gaussian profile out of focus.
 """
 
 import numpy as np