diff --git a/lib/ronin/vulns/command_injection.rb b/lib/ronin/vulns/command_injection.rb
index de53d9e..31b7e18 100644
--- a/lib/ronin/vulns/command_injection.rb
+++ b/lib/ronin/vulns/command_injection.rb
@@ -114,7 +114,7 @@ def build_escape_string
       # @param [Array<String, nil>, String, nil] escape_operator
       #   The optional escape operator character(s) to test.
       #
-      # @param [Array<String, nil>, Stirng, nil] terminator
+      # @param [Array<String, nil>, String, nil] terminator
       #   The optional command termination character(s) to test.
       #
       # @param [Ronin::Support::Network::HTTP, nil] http