easycsv_insert_value documentation fixed

Signed-off-by: Pradana AUMARS <paumars@courrier.dev>

include/easycsv.h

@@ -221,12 +221,12 @@ easycsv_sortcolumn(easycsv*,
 /* 		  int); */
 
 /** 
- * Insert string in a specific cell 
+ * Insert/replace string in a specific cell 
  * @param[in] pointer to easycsv structure
- * @param[in] cell value
- * @param[in] row number
+ * @param[in] cell value (cell value will not be modified if there is an error)
  * @param[in] column number
- * @return easycsv error code
+ * @param[in] row number
+ * @return 0 if no error, -1 if error
  */
 int
 easycsv_insertvalue(easycsv*,