doc/source/apt_pkg/cache.rst: Document pulseInterval in Cache.Update().

1 files changed, 4 insertions, 1 deletions

diff --git a/doc/source/apt_pkg/cache.rst b/doc/source/apt_pkg/cache.rst
index af67d82f..334b7869 100644
--- a/doc/source/apt_pkg/cache.rst
+++ b/doc/source/apt_pkg/cache.rst
@@ -227,7 +227,7 @@ Classes in apt_pkg
         Open the package cache again. The parameter *progress* may be set to
         an :class:`apt.progress.OpProgress()` object or `None`.
 
-    .. method:: Update(progress, list)
+    .. method:: Update(progress, list[, pulseInterval])
 
         Update the package cache.
 
@@ -237,6 +237,9 @@ Classes in apt_pkg
         The parameter *list* refers to an object as returned by
         :func:`apt_pkg.GetPkgSourceList`.
 
+        The optional parameter *pulseInterval* describes the interval between
+        the calls to the :meth:`FetchProgress.pulse` method.
+
     .. attribute:: DependsCount
 
         The total number of dependencies.