diff --git a/src/java/org/apache/commons/lang/text/StrBuilder.java b/src/java/org/apache/commons/lang/text/StrBuilder.java
index 24e206fe7..03b7b1636 100644
--- a/src/java/org/apache/commons/lang/text/StrBuilder.java
+++ b/src/java/org/apache/commons/lang/text/StrBuilder.java
@@ -24,7 +24,7 @@
 import org.apache.commons.lang.SystemUtils;
 
 /**
- * Builds a string from consituant parts providing a more flexible and powerful API
+ * Builds a string from constituent parts providing a more flexible and powerful API
  * than StringBuffer.
  * <p>
  * The main differences from StringBuffer/StringBuilder are: