Fix comment and test typos.

app/services/spawns/activate.rb

@@ -18,7 +18,7 @@ def self.call(spawn)
     # Duplicate the spawn base entity, assign the spawn room to the entity, and
     # return the new entity.
     #
-    # @param [Spawn] spawn The spaw to build an entity for.
+    # @param [Spawn] spawn The spawn to build an entity for.
     # @return [Monster] The entity created.
     def self.build_entity(spawn)
       entity = spawn.base.dup

spec/services/command/parser_spec.rb

@@ -50,19 +50,19 @@ def self.match?(arguments)
         stub_const("Commands::Nested::List", no_argument_command)
       end
 
-      context "when provided arugments" do
+      context "when provided arguments" do
         let(:input) { "/nested add example" }
 
         it { is_expected.to eq(argument_command) }
       end
 
-      context "when not provided arugments" do
+      context "when not provided arguments" do
         let(:input) { "/nested" }
 
         it { is_expected.to eq(no_argument_command) }
       end
 
-      context "when provided invalid arugments" do
+      context "when provided invalid arguments" do
         let(:input) { "/nested invalid" }
 
         before do

spec/services/event_handlers_spec.rb

@@ -18,7 +18,7 @@
 
     it { is_expected.to include(class_stub) }
 
-    context "with a constant that is not a moudle" do
+    context "with a constant that is not a module" do
       before do
         stub_const("EventHandlers::PI", 3.14)
       end