diff --git a/hadoop-common-project/hadoop-common/CHANGES.txt b/hadoop-common-project/hadoop-common/CHANGES.txt
index 416b81914b..aff9368cdd 100644
--- a/hadoop-common-project/hadoop-common/CHANGES.txt
+++ b/hadoop-common-project/hadoop-common/CHANGES.txt
@@ -593,6 +593,10 @@ Release 2.8.0 - UNRELEASED
     HADOOP-11995. Make jetty version configurable from the maven command line.
     (Sriharsha Devineni via wheat9)
 
+    HADOOP-10366. Add whitespaces between classes for values in
+    core-default.xml to fit better in browser.
+    (kanaka kumar avvaru via aajisaka)
+
   OPTIMIZATIONS
 
     HADOOP-11785. Reduce the number of listStatus operation in distcp
diff --git a/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml b/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
index 97e01a82cc..a1bc780649 100644
--- a/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
+++ b/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
@@ -466,7 +466,7 @@ for ldap providers in the same way as above does.
 
 <property>
   <name>io.serializations</name>
-  <value>org.apache.hadoop.io.serializer.WritableSerialization,org.apache.hadoop.io.serializer.avro.AvroSpecificSerialization,org.apache.hadoop.io.serializer.avro.AvroReflectSerialization</value>
+  <value>org.apache.hadoop.io.serializer.WritableSerialization, org.apache.hadoop.io.serializer.avro.AvroSpecificSerialization, org.apache.hadoop.io.serializer.avro.AvroReflectSerialization</value>
   <description>A list of serialization classes that can be used for
   obtaining serializers and deserializers.</description>
 </property>
@@ -1655,7 +1655,7 @@ for ldap providers in the same way as above does.
 
 <property>
   <name>hadoop.security.crypto.codec.classes.aes.ctr.nopadding</name>
-  <value>org.apache.hadoop.crypto.OpensslAesCtrCryptoCodec,org.apache.hadoop.crypto.JceAesCtrCryptoCodec</value>
+  <value>org.apache.hadoop.crypto.OpensslAesCtrCryptoCodec, org.apache.hadoop.crypto.JceAesCtrCryptoCodec</value>
   <description>
     Comma-separated list of crypto codec implementations for AES/CTR/NoPadding. 
     The first implementation will be used if available, others are fallbacks.
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/TransparentEncryption.md b/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/TransparentEncryption.md
index aa2acbd3ed..05e4249290 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/TransparentEncryption.md
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/TransparentEncryption.md
@@ -126,7 +126,7 @@ The prefix for a given crypto codec, contains a comma-separated list of implemen
 
 #### hadoop.security.crypto.codec.classes.aes.ctr.nopadding
 
-Default: `org.apache.hadoop.crypto.OpensslAesCtrCryptoCodec,org.apache.hadoop.crypto.JceAesCtrCryptoCodec`
+Default: `org.apache.hadoop.crypto.OpensslAesCtrCryptoCodec, org.apache.hadoop.crypto.JceAesCtrCryptoCodec`
 
 Comma-separated list of crypto codec implementations for AES/CTR/NoPadding. The first implementation will be used if available, others are fallbacks.