Javadoc

Normalize spelling

src/main/java/org/apache/commons/lang3/BooleanUtils.java

@@ -478,7 +478,7 @@ public static boolean toBoolean(final Integer value, final Integer trueValue, fi
     }
 
     /**
-     * Converts a String to a boolean (optimised for performance).
+     * Converts a String to a boolean (optimized for performance).
      *
      * <p>{@code 'true'}, {@code 'on'}, {@code 'y'}, {@code 't'} or {@code 'yes'}
      * (case insensitive) will return {@code true}. Otherwise,

src/main/java/org/apache/commons/lang3/time/DurationFormatUtils.java

@@ -508,7 +508,7 @@ public static String formatPeriod(final long startMillis, final long endMillis,
             final TimeZone timezone) {
         Validate.isTrue(startMillis <= endMillis, "startMillis must not be greater than endMillis");
 
-        // Used to optimise for differences under 28 days and
+        // Used to optimize for differences under 28 days and
         // called formatDuration(millis, format); however this did not work
         // over leap years.
         // TODO: Compare performance to see if anything was lost by

src/main/java/org/apache/commons/lang3/time/package-info.java

@@ -19,7 +19,7 @@
  * These classes are immutable (and therefore thread-safe) apart from {@link org.apache.commons.lang3.time.StopWatch}.
  *
  * <p>The time package contains some basic utilities for manipulating time (a delorean, police box and grandfather clock?).
- * These include a {@link org.apache.commons.lang3.time.StopWatch} for simple performance measurements and an optimised {@link org.apache.commons.lang3.time.FastDateFormat} class.</p>
+ * These include a {@link org.apache.commons.lang3.time.StopWatch} for simple performance measurements and an optimized {@link org.apache.commons.lang3.time.FastDateFormat} class.</p>
  *
  * @since 2.0
  */