Fix typo

Change-Id: Id8422102f776f438e00b40a2ee0ae0b96e4f552a
Reviewed-on: https://gerrit.libreoffice.org/70997
Tested-by: Jenkins
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>

connectivity/source/inc/java/tools.hxx

@@ -46,7 +46,7 @@ namespace connectivity
 
     jobject convertTypeMapToJavaMap(const css::uno::Reference< css::container::XNameAccess > & _rMap);
 
-    /** return if a exception occurred
+    /** return if an exception occurred
         the exception will be cleared.
         @param  pEnv
             The native java env