diff --git a/src/java/org/apache/commons/lang/text/StrBuilder.java b/src/java/org/apache/commons/lang/text/StrBuilder.java
index 6aaece999..8a70fd7a1 100644
--- a/src/java/org/apache/commons/lang/text/StrBuilder.java
+++ b/src/java/org/apache/commons/lang/text/StrBuilder.java
@@ -1128,7 +1128,7 @@ public StrBuilder appendSeparator(String separator) {
      * @since 3.0
      */
     public StrBuilder appendSeparator(String standard, String defaultIfEmpty) {
-    	String str = isEmpty() ? defaultIfEmpty : standard;
+        String str = isEmpty() ? defaultIfEmpty : standard;
         if (str != null) {
             append(str);
         }
@@ -1177,7 +1177,7 @@ public StrBuilder appendSeparator(char standard, char defaultIfEmpty) {
             append(standard);
         }
         else {
-        	append(defaultIfEmpty);
+            append(defaultIfEmpty);
         }
         return this;
     }
diff --git a/src/test/org/apache/commons/lang/text/StrBuilderAppendInsertTest.java b/src/test/org/apache/commons/lang/text/StrBuilderAppendInsertTest.java
index 6a513cc41..cf2c6af40 100644
--- a/src/test/org/apache/commons/lang/text/StrBuilderAppendInsertTest.java
+++ b/src/test/org/apache/commons/lang/text/StrBuilderAppendInsertTest.java
@@ -996,14 +996,14 @@ public void testAppendSeparator_String() {
     
     //-----------------------------------------------------------------------
     public void testAppendSeparator_String_String() {
-    	StrBuilder sb = new StrBuilder();
-    	final String startSeparator = "order by ";
-    	final String standardSeparator = ",";
-    	final String foo = "foo";
-    	sb.appendSeparator(null, null);
-    	assertEquals("", sb.toString());
-    	sb.appendSeparator(standardSeparator, null);
-    	assertEquals("", sb.toString());
+        StrBuilder sb = new StrBuilder();
+        final String startSeparator = "order by ";
+        final String standardSeparator = ",";
+        final String foo = "foo";
+        sb.appendSeparator(null, null);
+        assertEquals("", sb.toString());
+        sb.appendSeparator(standardSeparator, null);
+        assertEquals("", sb.toString());
         sb.appendSeparator(standardSeparator, startSeparator); 
         assertEquals(startSeparator, sb.toString());
         sb.appendSeparator(null, null); 
@@ -1027,10 +1027,10 @@ public void testAppendSeparator_char() {
         assertEquals("foo,", sb.toString());
     }
     public void testAppendSeparator_char_char() {
-    	StrBuilder sb = new StrBuilder();
-    	final char startSeparator = ':';
-    	final char standardSeparator = ',';
-    	final String foo = "foo";
+        StrBuilder sb = new StrBuilder();
+        final char startSeparator = ':';
+        final char standardSeparator = ',';
+        final String foo = "foo";
         sb.appendSeparator(standardSeparator, startSeparator);  // no effect
         assertEquals(String.valueOf(startSeparator), sb.toString());
         sb.append(foo);
diff --git a/src/test/org/apache/commons/lang/time/DateUtilsTest.java b/src/test/org/apache/commons/lang/time/DateUtilsTest.java
index 73dd81ff2..77aa10276 100644
--- a/src/test/org/apache/commons/lang/time/DateUtilsTest.java
+++ b/src/test/org/apache/commons/lang/time/DateUtilsTest.java
@@ -1161,8 +1161,8 @@ public void testTruncateLang59() throws Exception {
      * Tests various values with the ceiling method
      */
     public void testCeil() throws Exception {
-    	// tests public static Date ceiling(Date date, int field)
-    	assertEquals("ceiling year-1 failed",
+        // tests public static Date ceiling(Date date, int field)
+        assertEquals("ceiling year-1 failed",
                 dateParser.parse("January 1, 2003"),
                 DateUtils.ceiling(date1, Calendar.YEAR));
         assertEquals("ceiling year-2 failed",
@@ -1317,7 +1317,7 @@ public void testCeil() throws Exception {
         
         // Fix for http://issues.apache.org/bugzilla/show_bug.cgi?id=25560
         // Test ceiling across the beginning of daylight saving time
-    	TimeZone.setDefault(zone);
+        TimeZone.setDefault(zone);
         dateTimeParser.setTimeZone(zone);
 
         assertEquals("ceiling MET date across DST change-over",
@@ -1373,7 +1373,7 @@ public void testCeil() throws Exception {
         } else {
             this.warn("WARNING: Some date ceiling tests not run since the current version is " + SystemUtils.JAVA_VERSION);
         }
-    	TimeZone.setDefault(defaultZone);
+        TimeZone.setDefault(defaultZone);
         dateTimeParser.setTimeZone(defaultZone);
         
      // Bug 31395, large dates