diff --git a/README.md b/README.md
index d766c2d5..a18503ef 100644
--- a/README.md
+++ b/README.md
@@ -48,8 +48,6 @@ are instructions on the [wiki](https://github.com/stevesea/Adventuresmith/wiki)
 
 Bugs? Feature Requests? You can provide feedback [here](https://github.com/stevesea/Adventuresmith/issues)
 
-Want to keep up with development? Here's the [G+ community](https://plus.google.com/communities/101389134352217517231)
-
 ## Screenshots
 
 ![alt text](https://github.com/stevesea/Adventuresmith/raw/master/docs/images/nav_drawer1.png "Sliding nav bar")
@@ -72,7 +70,7 @@ Attribution for each set of generators is also available within the app. When yo
 generators, click on the info button on the toolbar to be shown the attribution statement for the
 generators you're using.
 
-If you enjoy using Adventuresmith, follow the attribution links to the creators' blogs or to their
+If you enjoy using Adventuresmith, follow the attribution links to the creators' websites, or to their
 pages on [DriveThruRPG](http://www.drivethrurpg.com/). Give them reviews and other feedback; buy
 their products, and become a patron on Patreon.
 
diff --git a/app/build.gradle b/app/build.gradle
index c40b5625..b7f71704 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -38,12 +38,11 @@ ext {
 }
 
 android {
-    compileSdkVersion 28
-    buildToolsVersion '28.0.3'
+    compileSdkVersion 30
     defaultConfig {
         applicationId "org.steavesea.adventuresmith"
         minSdkVersion 16
-        targetSdkVersion 28
+        targetSdkVersion 30
         versionCode androidGitVersion.code()
         versionName androidGitVersion.name()
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
diff --git a/content_attribution.md b/content_attribution.md
index a2f33d1d..28f1afdf 100644
--- a/content_attribution.md
+++ b/content_attribution.md
@@ -13,6 +13,7 @@ publishers and copyright holders. See below for full listing.
 - [Fourth Page Games](#fourth_page)
 - [GameMaster's Apprentice](#gma)
 - [Hack & Slash](#hack_and_slash)
+- [Ironsworn](#ironsworn)
 - [Kaigaku](#kaigaku)
 - [Knave](#knave)
 - [Macchiato Monsters](#macchiato_monsters)
@@ -174,6 +175,18 @@ All text is © Courtney C. Campbell (2011).
 
 
 
+<a name="ironsworn"></a>
+## Ironsworn - Shawn Tomkin
+[https://www.ironswornrpg.com](https://www.ironswornrpg.com)
+
+<p>This work is based on <a href="https://www.ironswornrpg.com">Ironsworn</a>, created by
+Shawn Tomkin, and licensed for our use under the
+<a href="https://creativecommons.org/licenses/by-nc-sa/4.0/">Creative Commons
+Attribution-NonCommercial-ShareAlike 4.0 International</a> license.
+
+
+
+
 <a name="kaigaku"></a>
 ## Kaigaku - Jacob DC Ross / Thunderegg Productions
 [http://www.drivethrurpg.com/product/186267/Kaigaku-RPG](http://www.drivethrurpg.com/product/186267/Kaigaku-RPG)