diff --git a/lib/vault_coh/command.rb b/lib/vault_coh/command.rb
index 9619bd0..4c5b43a 100644
--- a/lib/vault_coh/command.rb
+++ b/lib/vault_coh/command.rb
@@ -6,7 +6,8 @@ class Command
     # Data object that contains information specific to the
     # type of command it represents.
     #
-    # @return [Commands::BuildSquad |
+    # @return [Commands::BuildGlobalUpgrade |
+    #          Commands::BuildSquad |
     #          Commands::SelectBattlegroup |
     #          Commands::SelectBattlegroupAbility |
     #          Commands::UseBattlegroupAbility |
diff --git a/lib/vault_coh/player.rb b/lib/vault_coh/player.rb
index 0ffbde2..0438636 100644
--- a/lib/vault_coh/player.rb
+++ b/lib/vault_coh/player.rb
@@ -60,9 +60,9 @@ def commands; end
 
     # A list of only build-related commands executed by the player in
     # the match. A build command is any that enqueues the construction
-    # of a new unit. Sorted chronologically from first to last.
+    # of a new unit or upgrade. Sorted chronologically from first to last.
     #
-    # @return [Array<Commands::BuildSquad>]
+    # @return [Array<Command>]
     def build_commands; end
 
     # A list of only battlegroup-related commands executed by the player