Javadoc and comment

Author: garydgregory

src/main/java/org/apache/commons/lang3/exception/ExceptionUtils.java

@@ -386,13 +386,12 @@ public static List<String> getRootCauseStackTraceList(final Throwable throwable)
     }
 
     /**
-     * Gets a {@link List} of stack frames - the message
+     * Gets a {@link List} of stack frames, the message
      * is not included. Only the trace of the specified exception is
      * returned, any caused by trace is stripped.
      *
-     * <p>This works in most cases - it will only fail if the exception
-     * message contains a line that starts with:
-     * {@code &quot;&nbsp;&nbsp;&nbsp;at&quot;.}</p>
+     * <p>This works in most cases and will only fail if the exception
+     * message contains a line that starts with: {@code "<whitespace>at"}.</p>
      *
      * @param throwable is any throwable
      * @return List of stack frames
@@ -405,7 +404,7 @@ static List<String> getStackFrameList(final Throwable throwable) {
         boolean traceStarted = false;
         while (frames.hasMoreTokens()) {
             final String token = frames.nextToken();
-            // Determine if the line starts with <whitespace>at
+            // Determine if the line starts with "<whitespace>at"
             final int at = token.indexOf("at");
             if (at != NOT_FOUND && token.substring(0, at).trim().isEmpty()) {
                 traceStarted = true;