Issue #21092: Merge from 3.4.

3 files changed, 9 insertions, 9 deletions

diff --git a/Modules/clinic/cmathmodule.c.h b/Modules/clinic/cmathmodule.c.h
index 7d6e04b..83de518 100644
--- a/Modules/clinic/cmathmodule.c.h
+++ b/Modules/clinic/cmathmodule.c.h
@@ -49,7 +49,7 @@ PyDoc_STRVAR(cmath_acosh__doc__,
 "acosh($module, z, /)\n"
 "--\n"
 "\n"
-"Return the hyperbolic arccosine of z.");
+"Return the inverse hyperbolic cosine of z.");
 
 #define CMATH_ACOSH_METHODDEF    \
     {"acosh", (PyCFunction)cmath_acosh, METH_VARARGS, cmath_acosh__doc__},
@@ -135,7 +135,7 @@ PyDoc_STRVAR(cmath_asinh__doc__,
 "asinh($module, z, /)\n"
 "--\n"
 "\n"
-"Return the hyperbolic arc sine of z.");
+"Return the inverse hyperbolic sine of z.");
 
 #define CMATH_ASINH_METHODDEF    \
     {"asinh", (PyCFunction)cmath_asinh, METH_VARARGS, cmath_asinh__doc__},
@@ -221,7 +221,7 @@ PyDoc_STRVAR(cmath_atanh__doc__,
 "atanh($module, z, /)\n"
 "--\n"
 "\n"
-"Return the hyperbolic arc tangent of z.");
+"Return the inverse hyperbolic tangent of z.");
 
 #define CMATH_ATANH_METHODDEF    \
     {"atanh", (PyCFunction)cmath_atanh, METH_VARARGS, cmath_atanh__doc__},
diff --git a/Modules/cmathmodule.c b/Modules/cmathmodule.c
index 6d9b2ed..5746db1 100644
--- a/Modules/cmathmodule.c
+++ b/Modules/cmathmodule.c
@@ -207,7 +207,7 @@ static Py_complex acosh_special_values[7][7];
 /*[clinic input]
 cmath.acosh = cmath.acos
 
-Return the hyperbolic arccosine of z.
+Return the inverse hyperbolic cosine of z.
 [clinic start generated code]*/
 
 static Py_complex
@@ -262,7 +262,7 @@ static Py_complex asinh_special_values[7][7];
 /*[clinic input]
 cmath.asinh = cmath.acos
 
-Return the hyperbolic arc sine of z.
+Return the inverse hyperbolic sine of z.
 [clinic start generated code]*/
 
 static Py_complex
@@ -353,7 +353,7 @@ static Py_complex atanh_special_values[7][7];
 /*[clinic input]
 cmath.atanh = cmath.acos
 
-Return the hyperbolic arc tangent of z.
+Return the inverse hyperbolic tangent of z.
 [clinic start generated code]*/
 
 static Py_complex
diff --git a/Modules/mathmodule.c b/Modules/mathmodule.c
index 0c991cd..9c97a2a 100644
--- a/Modules/mathmodule.c
+++ b/Modules/mathmodule.c
@@ -902,18 +902,18 @@ math_2(PyObject *args, double (*func) (double, double), char *funcname)
 FUNC1(acos, acos, 0,
       "acos(x)\n\nReturn the arc cosine (measured in radians) of x.")
 FUNC1(acosh, m_acosh, 0,
-      "acosh(x)\n\nReturn the hyperbolic arc cosine (measured in radians) of x.")
+      "acosh(x)\n\nReturn the inverse hyperbolic cosine of x.")
 FUNC1(asin, asin, 0,
       "asin(x)\n\nReturn the arc sine (measured in radians) of x.")
 FUNC1(asinh, m_asinh, 0,
-      "asinh(x)\n\nReturn the hyperbolic arc sine (measured in radians) of x.")
+      "asinh(x)\n\nReturn the inverse hyperbolic sine of x.")
 FUNC1(atan, atan, 0,
       "atan(x)\n\nReturn the arc tangent (measured in radians) of x.")
 FUNC2(atan2, m_atan2,
       "atan2(y, x)\n\nReturn the arc tangent (measured in radians) of y/x.\n"
       "Unlike atan(y/x), the signs of both x and y are considered.")
 FUNC1(atanh, m_atanh, 0,
-      "atanh(x)\n\nReturn the hyperbolic arc tangent (measured in radians) of x.")
+      "atanh(x)\n\nReturn the inverse hyperbolic tangent of x.")
 
 static PyObject * math_ceil(PyObject *self, PyObject *number) {
     _Py_IDENTIFIER(__ceil__);