Fix typo.

Author: garydgregory

src/changes/changes.xml

@@ -43,7 +43,7 @@
       <action issue="CSV-244" type="fix" dev="sebb">Test case failures following CSVFormat#equals() update.</action>
       <action issue="CSV-243" type="fix" dev="sebb">CSVFormat withTrim() and withIgnoreSurroundingSpaces() need better docs.</action>
       <action issue="CSV-242" type="fix" dev="sebb">CSVFormat equals() and hashCode() don't use all fields.</action>
-      <action issue="CSV-241" type="fix" dev="ggregory" due-to="LuckyIlam, Gary Gregory">CSVFormat#valiadte() does not account for allowDuplicateHeaderNames #43.</action>
+      <action issue="CSV-241" type="fix" dev="ggregory" due-to="LuckyIlam, Gary Gregory">CSVFormat#validate() does not account for allowDuplicateHeaderNames #43.</action>
       <action issue="CSV-245" type="fix" dev="ggregory" due-to="Alex Herbert">Post 1.7 release fixes.</action>
       <action issue="CSV-252" type="fix" dev="ggregory" due-to= "Alex Herbert">Upgrade test framework to JUnit 5 Jupiter #49, #50.</action>
       <action issue="CSV-247" type="fix" dev="ggregory" due-to="Alex Herbert, Gary Gregory">A single empty header is allowed when not allowing empty column headers. #47.</action>