[typo] s/libexpact/libexpat/ in setup.py (GH-28624)

diff --git a/setup.py b/setup.py
index 9e71a223c0aabd0e617d2cace2d3c16343f61566..6122430cd04317b7a92224ac853f07f22fa79148 100644 (file)
--- a/setup.py
+++ b/setup.py
@@ -1767,7 +1767,7 @@ class PyBuildExt(build_ext):
                 ('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',