diff --git a/src/calibre/constants.py b/src/calibre/constants.py
index 3e8f3de0fb..2577699c0f 100644
--- a/src/calibre/constants.py
+++ b/src/calibre/constants.py
@@ -2,7 +2,7 @@ __license__   = 'GPL v3'
 __copyright__ = '2008, Kovid Goyal kovid@kovidgoyal.net'
 __docformat__ = 'restructuredtext en'
 __appname__   = 'calibre'
-__version__   = '0.4.89'
+__version__   = '0.4.90'
 __author__    = "Kovid Goyal <kovid@kovidgoyal.net>"
 '''
 Various run time constants.
diff --git a/src/calibre/web/feeds/recipes/scientific_american.py b/src/calibre/web/feeds/recipes/scientific_american.py
index 7d22013aaf..468e799d44 100644
--- a/src/calibre/web/feeds/recipes/scientific_american.py
+++ b/src/calibre/web/feeds/recipes/scientific_american.py
@@ -51,7 +51,7 @@ class ScientificAmerican(BasicNewsRecipe):
         self.cover_url = root.xpath('//img[re:match(@src, "cover_")]', 
                                     namespaces={'re':'http://exslt.org/regular-expressions'}
                                     )[0].get('src')
-        self.timefmt = root.xpath('//div[@id = "magazine-month"]')[0].text
+        self.timefmt = ' [%s]'%(root.xpath('//div[@id = "magazine-month"]')[0].text)
         feeds = []
         features = []
         for a in root.xpath('//a[@href and @title = "Feature"]'):