Fixed some typos

expander-context.go

@@ -128,7 +128,7 @@ func (self *BaseExpander) AddFunc(name string, f ExpanderFunc, minArgs, maxArgs
 }
 
 func (self *BaseExpander) Handle(varSpec string, flags ScannerFlag) (value string, err error) {
-	err = errors.New("maybe you did somwthing wrong")
+	err = errors.New("maybe you did something wrong")
 	return
 }
 
@@ -140,4 +140,3 @@ func (self *BaseExpander) IterateFunc(op func(funcInfo *ExpanderFuncBlock) (err
 	}
 	return
 }
-

scanner.go

@@ -17,12 +17,11 @@ const (
 	EncryptValue
 )
 
-// Flags symbols in the abova iota order
+// Flags symbols in the above iota order
 const flagSymbols = "!=*"
 
 const defaultVarIntro = '$'
 
-
 type VariableHandler interface {
 	Handle(varSpec string, flags ScannerFlag) (value string, err error)
 }
@@ -123,4 +122,3 @@ func getVarSpec(source string, startOffset int) (spec string, flags ScannerFlag,
 	}
 	return
 }
-