diff --git a/nuget/bootstrap.nuspec b/nuget/bootstrap.nuspec
index bbb4582639..4e843c3e3c 100644
--- a/nuget/bootstrap.nuspec
+++ b/nuget/bootstrap.nuspec
@@ -17,6 +17,7 @@
false
+
css mobile-first responsive front-end framework web
diff --git a/nuget/bootstrap.sass.nuspec b/nuget/bootstrap.sass.nuspec
index aba443c2a5..92e1ff54fa 100644
--- a/nuget/bootstrap.sass.nuspec
+++ b/nuget/bootstrap.sass.nuspec
@@ -17,6 +17,7 @@
false
+
css sass mobile-first responsive front-end framework web