Normalize spelling to US English in comments.
diff --git a/src/test/java/org/apache/commons/codec/binary/Base32Test.java b/src/test/java/org/apache/commons/codec/binary/Base32Test.java
index 475bb2f..d84dd25 100644
--- a/src/test/java/org/apache/commons/codec/binary/Base32Test.java
+++ b/src/test/java/org/apache/commons/codec/binary/Base32Test.java
@@ -246,7 +246,7 @@
base32 = new Base32(-1, new byte[] {});
base32 = new Base32(32, new byte[] {});
base32 = new Base32(32, new byte[] {}, false);
- // This is different behaviour than Base64 which validates the separator
+ // This is different behavior than Base64 which validates the separator
// even when line length is negative.
base32 = new Base32(-1, new byte[] { 'A' });
try {
