Apply copilot typo suggestion

Author: codesungrape

config/checkstyle/checkstyle.xml

@@ -183,7 +183,7 @@
             <message key="ws.preceded"
                      value="GenericWhitespace ''{0}'' is preceded with whitespace."/>
             <message key="ws.illegalFollow"
-                     value="GenericWhitespace ''{0}'' should followed by whitespace."/>
+                     value="GenericWhitespace ''{0}'' should be followed by whitespace."/>
             <message key="ws.notPreceded"
                      value="GenericWhitespace ''{0}'' is not preceded with whitespace."/>
         </module>
@@ -249,4 +249,4 @@
         </module>
         <module name="CommentsIndentation"/>
     </module>
-</module>
+</module>