#1478 Add doc and remove print

_pytest/terminal.py

@@ -630,7 +630,6 @@ class TerminalReporter:
         if self.config.option.showcapture == 'no':
             return
         for secname, content in rep.sections:
-            print(self.config.option.showcapture)
             if self.config.option.showcapture != 'both':
                 if not (self.config.option.showcapture in secname):
                     continue

doc/en/capture.rst

@@ -9,7 +9,8 @@ Default stdout/stderr/stdin capturing behaviour
 
 During test execution any output sent to ``stdout`` and ``stderr`` is
 captured.  If a test or a setup method fails its according captured
-output will usually be shown along with the failure traceback.
+output will usually be shown along with the failure traceback. (this
+behavior can be configured by the ``--show-capture`` command-line option).
 
 In addition, ``stdin`` is set to a "null" object which will
 fail on attempts to read from it because it is rarely desired