Fix #1693149.  Now you can pass several modules separated by
coma to trace.py in the same --ignore-module option.
Thanks Raghuram Devarakonda.
diff --git a/Doc/library/trace.rst b/Doc/library/trace.rst
index 91cf1a4..9d0c0c4 100644
--- a/Doc/library/trace.rst
+++ b/Doc/library/trace.rst
@@ -64,12 +64,14 @@
    stdout for each file processed.
 
 :option:`--ignore-module`
-   Ignore the named module and its submodules (if it is a package).  May be given
+   Accepts comma separated list of module names. Ignore each of the named
+   module and its submodules (if it is a package).  May be given 
    multiple times.
 
 :option:`--ignore-dir`
-   Ignore all modules and packages in the named directory and subdirectories.  May
-   be given multiple times.
+   Ignore all modules and packages in the named directory and subdirectories
+   (multiple directories can be joined by os.pathsep).  May be given multiple
+   times. 
 
 
 .. _trace-api: