minor language updates (#1241)

* reword the commit message correctly

CHANGELOG.md

@@ -5,7 +5,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 
 ## [Unreleased]
 ### Changed
-- Avoid the print of highest logger levels when the exception is re-thrown. [PR 1187](https://github.com/pgjdbc/pgjdbc/pull/1187)
+- Reduce the severity of the erorr log messages when an exception is re-thrown. The error will be 
+thrown to caller to be dealt with so no need to log at this verbosity by pgjdbc  [PR 1187](https://github.com/pgjdbc/pgjdbc/pull/1187)
 
 ## [42.2.2] (2018-03-15)
 ### Added

pgjdbc/src/main/java/org/postgresql/Driver.java

@@ -563,7 +563,7 @@ public static Properties parseURL(String url, Properties defaults) {
       l_urlServer = l_urlServer.substring(2);
       int slash = l_urlServer.indexOf('/');
       if (slash == -1) {
-        LOGGER.log(Level.WARNING, "JDBC URL must contain a slash at the end of the host or port: {0}", url);
+        LOGGER.log(Level.WARNING, "JDBC URL must contain a / at the end of the host or port: {0}", url);
         return null;
       }
       urlProps.setProperty("PGDBNAME", URLCoder.decode(l_urlServer.substring(slash + 1)));
@@ -578,7 +578,7 @@ public static Properties parseURL(String url, Properties defaults) {
           try {
             int port = Integer.parseInt(portStr);
             if (port < 1 || port > 65535) {
-              LOGGER.log(Level.WARNING, "JDBC URL port in invalid range: {0}", portStr);
+              LOGGER.log(Level.WARNING, "JDBC URL port: {0} not valid (1:65535) ", portStr);
               return null;
             }
           } catch (NumberFormatException ignore) {