diff --git a/app/services/foreman/renderer/errors.rb b/app/services/foreman/renderer/errors.rb
index a28ff37028c..6857b85288e 100644
--- a/app/services/foreman/renderer/errors.rb
+++ b/app/services/foreman/renderer/errors.rb
@@ -60,7 +60,7 @@ class UnsupportedOS < RenderingError
       end
 
       class UnknownResource < RenderingError
-        MESSAGE = N_("Unkown '%{klass}' resource class").freeze
+        MESSAGE = N_("Unknown '%{klass}' resource class").freeze
       end
     end
   end
diff --git a/test/unit/foreman/renderer/renderers_shared_tests.rb b/test/unit/foreman/renderer/renderers_shared_tests.rb
index 5bbce96fd54..7d6fe45fa35 100644
--- a/test/unit/foreman/renderer/renderers_shared_tests.rb
+++ b/test/unit/foreman/renderer/renderers_shared_tests.rb
@@ -435,14 +435,14 @@ module RenderersSharedTests
           e = assert_raises Foreman::Renderer::Errors::UnknownResource do
             renderer.render(source, preview_scope)
           end
-          assert_includes e.message, "Unkown 'NotExistingResource' resource class"
+          assert_includes e.message, "Unknown 'NotExistingResource' resource class"
         end
 
         test "render" do
           e = assert_raises Foreman::Renderer::Errors::UnknownResource do
             renderer.render(source, real_scope)
           end
-          assert_includes e.message, "Unkown 'NotExistingResource' resource class"
+          assert_includes e.message, "Unknown 'NotExistingResource' resource class"
         end
       end