--- old/src/jdk.compiler/share/classes/com/sun/tools/javac/tree/Pretty.java	2019-12-20 15:41:26.000000000 +0000
+++ new/src/jdk.compiler/share/classes/com/sun/tools/javac/tree/Pretty.java	2019-12-20 15:41:25.000000000 +0000
@@ -170,7 +170,7 @@
      * Traversal methods
      *************************************************************************/
 
-    /** Exception to propogate IOException through visitXXX methods */
+    /** Exception to propagate IOException through visitXXX methods */
     private static class UncheckedIOException extends Error {
         static final long serialVersionUID = -4032692679158424751L;
         UncheckedIOException(IOException e) {