fix typo

diff --git a/lib/mint/solver/maxima/expantion.rb b/lib/mint/solver/maxima/expansion.rb
similarity index 84%
rename from lib/mint/solver/maxima/expantion.rb
rename to lib/mint/solver/maxima/expansion.rb
index 2858474..90dc6c0 100644 (file)
--- a/lib/mint/solver/maxima/expantion.rb
+++ b/lib/mint/solver/maxima/expansion.rb
@@ -2,7 +2,7 @@
 
 module Mint::Solver::Maxima
 
-  class Expantion < Base
+  class Expansion < Base
 
     private
     def solve_problem(problem)