source.tcl minor doc corrections

Change-Id: I382bca72e4dc9262676da34101969b39d5cf0caf
Signed-off-by: Michael Walsh <micwalsh@us.ibm.com>
diff --git a/lib/source.tcl b/lib/source.tcl
index cf57ab7..e01684e 100755
--- a/lib/source.tcl
+++ b/lib/source.tcl
@@ -1,9 +1,9 @@
 # This file is an aid in sourcing other tcl files.  It provides the following
 # advantages:
 # - It shortens the number of lines of code needed to intelligently source
-# files.
+#   files.
 # - Its my_source procedure provides several benefits (see my_source prolog
-# below).
+#   below).
 
 # By convention, this file, or a link to this file, must exist in one of the
 # directories named in the PATH environment variable.