[polari] initialSetup: fix a typo in a translatable string

[Piotr Drąg <piotrdrag src gnome org>]

commit 2078e26359e06e0a544c94030974d512e5a85463
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sat Aug 12 01:51:08 2017 +0200

    initialSetup: fix a typo in a translatable string

 data/resources/initial-setup-window.ui |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/resources/initial-setup-window.ui b/data/resources/initial-setup-window.ui
index b663e7a..cba8302 100644
--- a/data/resources/initial-setup-window.ui
+++ b/data/resources/initial-setup-window.ui
@@ -118,7 +118,7 @@
                     <property name="max-width-chars">42</property>
                     <property name="wrap">True</property>
                     <property name="justify">center</property>
-                    <property name="label" translatable="yes">Polari is an easy way to chat using IRC. 
Select a networks to get started.</property>
+                    <property name="label" translatable="yes">Polari is an easy way to chat using IRC. 
Select a network to get started.</property>
                     <style>
                       <class name="dim-label"/>
                     </style>