Update CHANGELOG.md

Author: troosan

CHANGELOG.md

@@ -34,7 +34,7 @@ v0.15.0 (?? ??? 2018)
 - Fix colspan and rowspan for tables in HTML Writer @mattbolt #1292
 - Fix parsing of Heading and Title formating @troosan @gthomas2 #465
 - Fix Dateformat typo, fix hours casing, add Month-Day-Year formats @ComputerTinker #591
-- Fix missing column with in ODText writer @potofcoffee #413
+- Fix missing column width in ODText writer @potofcoffee #413
 
 ### Changed
 - Remove zend-stdlib dependency @Trainmaster #1284