diff --git a/pysiaf/aperture.py b/pysiaf/aperture.py
index fc3fdcbe..4781a439 100644
--- a/pysiaf/aperture.py
+++ b/pysiaf/aperture.py
@@ -1403,7 +1403,7 @@ def sky_to_tel(self, *args):
         Input sky coords should be given in degrees RA and Dec, or equivalent astropy.Quantities
 
         Results are returned as floats with implicit units of arcseconds, for consistency with the
-        other \*_to_tel functions.
+        other \\*_to_tel functions.
 
         """