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-rw-r--r--doc/source/user/c-info.how-to-extend.rst2
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/source/user/c-info.how-to-extend.rst b/doc/source/user/c-info.how-to-extend.rst
index 5901ce3e3..db6c8e118 100644
--- a/doc/source/user/c-info.how-to-extend.rst
+++ b/doc/source/user/c-info.how-to-extend.rst
@@ -255,7 +255,7 @@ Reference counting
The biggest difficulty when writing extension modules is reference
counting. It is an important reason for the popularity of f2py, weave,
-pyrex, ctypes, etc.... If you mis-handle reference counts you can get
+Cython, ctypes, etc.... If you mis-handle reference counts you can get
problems from memory-leaks to segmentation faults. The only strategy I
know of to handle reference counts correctly is blood, sweat, and
tears. First, you force it into your head that every Python variable