diff --git a/setup.py b/setup.py
index 2bb71dde18d378..94ee77085113b0 100644
--- a/setup.py
+++ b/setup.py
@@ -1686,7 +1686,7 @@ def detect_expat_elementtree(self):
                 ('XML_POOR_ENTROPY', '1'),
             ]
             extra_compile_args = []
-            # bpo-44394: libexpact uses isnan() of math.h and needs linkage
+            # bpo-44394: libexpat uses isnan() of math.h and needs linkage
             # against the libm
             expat_lib = ['m']
             expat_sources = ['expat/xmlparse.c',