KAFKA-3749, fix "BOOSTRAP_SERVERS_DOC" typo

clients/src/main/java/org/apache/kafka/clients/CommonClientConfigs.java

@@ -29,10 +29,15 @@ public class CommonClientConfigs {
      */
 
     public static final String BOOTSTRAP_SERVERS_CONFIG = "bootstrap.servers";
-    public static final String BOOSTRAP_SERVERS_DOC = "A list of host/port pairs to use for establishing the initial connection to the Kafka cluster. The client will make use of all servers irrespective of which servers are specified here for bootstrapping—this list only impacts the initial hosts used to discover the full set of servers. This list should be in the form "
+    public static final String BOOTSTRAP_SERVERS_DOC = "A list of host/port pairs to use for establishing the initial connection to the Kafka cluster. The client will make use of all servers irrespective of which servers are specified here for bootstrapping—this list only impacts the initial hosts used to discover the full set of servers. This list should be in the form "
                                                        + "<code>host1:port1,host2:port2,...</code>. Since these servers are just used for the initial connection to "
                                                        + "discover the full cluster membership (which may change dynamically), this list need not contain the full set of "
                                                        + "servers (you may want more than one, though, in case a server is down).";
+    /**
+     * @deprecated This will be removed in a future release. Please use {@link #BOOTSTRAP_SERVERS_DOC}
+     */
+    @Deprecated
+    public static final String BOOSTRAP_SERVERS_DOC = BOOTSTRAP_SERVERS_DOC;
 
     public static final String METADATA_MAX_AGE_CONFIG = "metadata.max.age.ms";
     public static final String METADATA_MAX_AGE_DOC = "The period of time in milliseconds after which we force a refresh of metadata even if we haven't seen any partition leadership changes to proactively discover any new brokers or partitions.";

clients/src/main/java/org/apache/kafka/clients/consumer/ConsumerConfig.java

@@ -191,7 +191,7 @@ public class ConsumerConfig extends AbstractConfig {
         CONFIG = new ConfigDef().define(BOOTSTRAP_SERVERS_CONFIG,
                                         Type.LIST,
                                         Importance.HIGH,
-                                        CommonClientConfigs.BOOSTRAP_SERVERS_DOC)
+                                        CommonClientConfigs.BOOTSTRAP_SERVERS_DOC)
                                 .define(GROUP_ID_CONFIG, Type.STRING, "", Importance.HIGH, GROUP_ID_DOC)
                                 .define(SESSION_TIMEOUT_MS_CONFIG,
                                         Type.INT,

clients/src/main/java/org/apache/kafka/clients/producer/ProducerConfig.java

@@ -218,7 +218,7 @@ public class ProducerConfig extends AbstractConfig {
                                                         + "received by the producer before they are published to the Kafka cluster. By default, there are no interceptors.";
 
     static {
-        CONFIG = new ConfigDef().define(BOOTSTRAP_SERVERS_CONFIG, Type.LIST, Importance.HIGH, CommonClientConfigs.BOOSTRAP_SERVERS_DOC)
+        CONFIG = new ConfigDef().define(BOOTSTRAP_SERVERS_CONFIG, Type.LIST, Importance.HIGH, CommonClientConfigs.BOOTSTRAP_SERVERS_DOC)
                                 .define(BUFFER_MEMORY_CONFIG, Type.LONG, 32 * 1024 * 1024L, atLeast(0L), Importance.HIGH, BUFFER_MEMORY_DOC)
                                 .define(RETRIES_CONFIG, Type.INT, 0, between(0, Integer.MAX_VALUE), Importance.HIGH, RETRIES_DOC)
                                 .define(ACKS_CONFIG,

core/src/main/scala/kafka/admin/AdminClient.scala

@@ -182,7 +182,7 @@ object AdminClient {
         CommonClientConfigs.BOOTSTRAP_SERVERS_CONFIG,
         Type.LIST,
         Importance.HIGH,
-        CommonClientConfigs.BOOSTRAP_SERVERS_DOC)
+        CommonClientConfigs.BOOTSTRAP_SERVERS_DOC)
       .define(
         CommonClientConfigs.SECURITY_PROTOCOL_CONFIG,
         ConfigDef.Type.STRING,

streams/src/main/java/org/apache/kafka/streams/StreamsConfig.java

@@ -122,7 +122,7 @@ public class StreamsConfig extends AbstractConfig {
                                 .define(BOOTSTRAP_SERVERS_CONFIG,       // required with no default value
                                         Type.LIST,
                                         Importance.HIGH,
-                                        CommonClientConfigs.BOOSTRAP_SERVERS_DOC)
+                                        CommonClientConfigs.BOOTSTRAP_SERVERS_DOC)
                                 .define(CLIENT_ID_CONFIG,
                                         Type.STRING,
                                         "",