diff --git a/letsencrypt/cli.py b/letsencrypt/cli.py
index cc25e3d9e..1091a804b 100644
--- a/letsencrypt/cli.py
+++ b/letsencrypt/cli.py
@@ -711,7 +711,7 @@ def prepare_and_parse_args(plugins, args, detect_defaults=False):
         " any servers that were stopped by --pre-hook.")
     helpful.add(
         "renew", "--renew-hook",
-        help="Command to be run in a shell once for each renewed certificate."
+        help="Command to be run in a shell once for each successfully renewed certificate."
         "For this command, the shell variable $RENEWED_LINEAGE will point to the"
         "config live subdirectory containing the new certs and keys; the shell variable "
         "$RENEWED_DOMAINS will conatain a space-delimited list of renewed cert domains")
diff --git a/letsencrypt/main.py b/letsencrypt/main.py
index 0df26c5be..d2962ba87 100644
--- a/letsencrypt/main.py
+++ b/letsencrypt/main.py
@@ -108,7 +108,7 @@ def _handle_subset_cert_request(config, domains, cert):
 
     :param storage.RenewableCert cert:
 
-    :returns: Tuple of (stringa action, cert_or_None) as per _treat_as_renewal
+    :returns: Tuple of (str action, cert_or_None) as per _treat_as_renewal
               action can be: "newcert" | "renew" | "reinstall"
     :rtype: tuple
 
@@ -150,7 +150,7 @@ def _handle_identical_cert_request(config, cert):
 
     :param storage.RenewableCert cert:
 
-    :returns: Tuple of (string action, cert_or_None) as per _treat_as_renewal
+    :returns: Tuple of (str action, cert_or_None) as per _treat_as_renewal
               action can be: "newcert" | "renew" | "reinstall"
     :rtype: tuple