README.md in fast_excel-0.2.3 vs README.md in fast_excel-0.2.5

@@ -1,5 +1,5 @@
-# Ultra Fast Excel Writter for Ruby
+# Ultra Fast Excel Writer for Ruby
 
 ```ruby
 require 'fast_excel'
 
 workbook = FastExcel.open("hello_world_ffi.xlsx", constant_memory: true)