diff --git a/sbapp/main.py b/sbapp/main.py
index e98400b..4b8871f 100644
--- a/sbapp/main.py
+++ b/sbapp/main.py
@@ -2872,7 +2872,7 @@ class SidebandApp(MDApp):
         else:
             self.messages_view.ids.messages_scrollview.dest_known = False
             if self.messages_view.ids.nokeys_text.text == "":
-                keys_str = "The crytographic keys for the destination address are unknown at this time. You can wait for an announce to arrive, or query the network for the necessary keys."
+                keys_str = "The cryptographic keys for the destination address are unknown at this time. You can wait for an announce to arrive, or query the network for the necessary keys."
                 self.messages_view.ids.nokeys_text.text = keys_str
             self.widget_hide(self.messages_view.ids.message_input_part, True)
             self.widget_hide(self.messages_view.ids.message_ptt, True)
diff --git a/sbapp/sideband/core.py b/sbapp/sideband/core.py
index 0b7d4db..c0d8bbc 100644
--- a/sbapp/sideband/core.py
+++ b/sbapp/sideband/core.py
@@ -957,10 +957,8 @@ class SidebandCore():
 
     def log_announce(self, dest, app_data, dest_type, stamp_cost=None, link_stats=None):
         try:
-            if app_data == None:
-                app_data = b""
-            if type(app_data) != bytes:
-                app_data = msgpack.packb([app_data, stamp_cost])
+            if app_data == None: app_data = b""
+            if type(app_data) != bytes: app_data = msgpack.packb([app_data, stamp_cost])
             RNS.log("Received "+str(dest_type)+" announce for "+RNS.prettyhexrep(dest), RNS.LOG_DEBUG)
             self._db_save_announce(dest, app_data, dest_type, link_stats)
             self.setstate("app.flags.new_announces", True)
@@ -3418,14 +3416,10 @@ class SidebandCore():
     def is_known(self, dest_hash):
         try:
             source_identity = RNS.Identity.recall(dest_hash)
+            if source_identity: return True
+            else:               return False
 
-            if source_identity:
-                return True
-            else:
-                return False
-
-        except Exception as e:
-            return False
+        except Exception as e: return False
 
     def request_key(self, dest_hash):
         try:
diff --git a/setup.py b/setup.py
index 4db951e..69e6022 100644
--- a/setup.py
+++ b/setup.py
@@ -114,7 +114,7 @@ setuptools.setup(
         ]
     },
     install_requires=[
-        "rns>=1.1.7",
+        "rns>=1.1.8",
         "lxmf>=0.9.5",
         "lxst>=0.4.6",
         "kivy>=2.3.0",