Fix typo

diff --git a/ghc/compiler/typecheck/TcMType.lhs b/ghc/compiler/typecheck/TcMType.lhs
index 6345efb..688a331 100644 (file)
--- a/ghc/compiler/typecheck/TcMType.lhs
+++ b/ghc/compiler/typecheck/TcMType.lhs
@@ -1117,7 +1117,7 @@ checkValidInstance tyvars theta clas inst_tys
        ; checkInstTermination dflags theta inst_tys
        
        -- The Coverage Condition
-       ; checkTc (dopt Opt_AllowUndecideableInstances dflags ||
+       ; checkTc (dopt Opt_AllowUndecidableInstances dflags ||
                   checkInstCoverage clas inst_tys)
                  (instTypeErr (pprClassPred clas inst_tys) msg)
        }