diff --git a/modules/encoders/x86/xor_poly.rb b/modules/encoders/x86/xor_poly.rb
index 2b2a6f68ca..b0f4e6c741 100644
--- a/modules/encoders/x86/xor_poly.rb
+++ b/modules/encoders/x86/xor_poly.rb
@@ -36,7 +36,7 @@ class MetasploitModule < Msf::Encoder::Xor
     raise 'No permutation found for the badchar set :' + state.badchars.inspect
   end
 
-  # generate instruciton for a push
+  # generate instruction for a push
   def register_preservation_generate(flag, regs)
     ret = ''
     pop = 0b0101_1000