diff --git a/isso/notify.py b/isso/notify.py
index adb5244..b50860d 100644
--- a/isso/notify.py
+++ b/isso/notify.py
@@ -32,6 +32,10 @@ def format(comment, permalink, remote_addr, deletion_key, activation_key=None):
 
 
 class Connection(object):
+    """
+    Establish connection to SMTP server, optional with authentication, and
+    close connection afterwards.
+    """
 
     def __init__(self, conf):
         self.conf = conf
@@ -75,5 +79,5 @@ class SMTPMailer(object):
 
 class NullMailer(object):
 
-    def sendmail(self, subject, body, retries=5):
+    def sendmail(self, subject, body):
         pass
diff --git a/isso/utils/http.py b/isso/utils/http.py
index 0be920c..f579c4b 100644
--- a/isso/utils/http.py
+++ b/isso/utils/http.py
@@ -13,6 +13,15 @@ from isso.utils import parse
 
 
 class curl(object):
+    """Easy to use wrapper around :module:`httplib`.  Use as context-manager
+    so we can close the response properly.
+
+    .. code-block:: python
+
+        with http.curl('GET', 'http://localhost:8080', '/') as resp:
+            if resp:  # may be None if request failed
+                return resp.status
+    """
 
     def __init__(self, method, host, path, timeout=3):
         self.method = method
diff --git a/isso/utils/parse.py b/isso/utils/parse.py
index 6af6425..8decd38 100644
--- a/isso/utils/parse.py
+++ b/isso/utils/parse.py
@@ -54,15 +54,15 @@ def host(name):
     """
     Parse :param name: into `httplib`-compatible host:port.
 
-    >>> print(host("http://example.tld/"))
+    >>> host("http://example.tld/")
     ('example.tld', 80, False)
-    >>> print(host("https://example.tld/"))
+    >>> host("https://example.tld/")
     ('example.tld', 443, True)
-    >>> print(host("example.tld"))
+    >>> host("example.tld")
     ('example.tld', 80, False)
-    >>> print(host("example.tld:42"))
+    >>> host("example.tld:42")
     ('example.tld', 42, False)
-    >>> print(host("https://example.tld:80/"))
+    >>> host("https://example.tld:80/")
     ('example.tld', 80, True)
     """
 
@@ -109,7 +109,7 @@ def title(data, default=u"Untitled."):
     assert html.lastChild.nodeName == "html"
     html = html.lastChild
 
-    # aka getElementById
+    # aka getElementById, but limited to div and section tags
     el = list(filter(lambda i: i.attributes["id"].value == "isso-thread",
               filter(lambda i: "id" in i.attributes,
                      chain(*map(html.getElementsByTagName, ("div", "section"))))))
diff --git a/specs/test_comment.py b/specs/test_comment.py
index 1bc8406..09d6e01 100644
--- a/specs/test_comment.py
+++ b/specs/test_comment.py
@@ -22,9 +22,15 @@ class Dummy:
 
     status = 200
 
+    def __enter__(self):
+        return self
+
     def read(self):
         return ''
 
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        pass
+
 http.curl = lambda method, host, path: Dummy()
 
 loads = lambda data: json.loads(data.decode('utf-8'))
diff --git a/specs/test_vote.py b/specs/test_vote.py
index 95c4d17..36dfb6e 100644
--- a/specs/test_vote.py
+++ b/specs/test_vote.py
@@ -16,9 +16,15 @@ class Dummy:
 
     status = 200
 
+    def __enter__(self):
+        return self
+
     def read(self):
         return ''
 
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        pass
+
 http.curl = lambda method, host, path: Dummy()
 
 loads = lambda data: json.loads(data.decode('utf-8'))