Remove trailing whitespace.
diff --git a/Doc/library/cmath.rst b/Doc/library/cmath.rst
index b9ea490..4469573 100644
--- a/Doc/library/cmath.rst
+++ b/Doc/library/cmath.rst
@@ -70,9 +70,9 @@
.. function:: polar(x)
- Convert a :class:`complex` from rectangular coordinates to polar
+ Convert a :class:`complex` from rectangular coordinates to polar
coordinates. The function returns a tuple with the two elements
- *r* and *phi*. *r* is the distance from 0 and *phi* the phase
+ *r* and *phi*. *r* is the distance from 0 and *phi* the phase
angle.
.. versionadded:: 2.6