Update webglimpse install "instructions"

doc/webglimpse.txt

@@ -7,6 +7,7 @@ First problem: The cgi setup in the httpd.conf file was pointing at
 /usr/local/share instead of /usr/local/www.  After I fixed that, I
 went to /usr/local/www and cleaned it out a bit (remove cgi-bin stuff
 and data links). You also need this in httpd.conf (or apache.conf).
+Note that the automated testbed install has this, but check anyway.
 
 	<Directory /usr/testbed/webglimpse>
 		Options MultiViews
@@ -20,6 +21,8 @@ mkdir had to be commnented out. It also crapped out chmoding the stuff
 it installed into /usr/local/www/cgi-bin to 755. I just did it by hand
 cause I don't want to mess with it.
 
+Note, its probably a good idea to remove the other stuff from cgi-bin.
+
 Okay, so now its installed:
 
 	cd /usr/testbed
@@ -31,7 +34,7 @@ Answer the questions. Pretty obvious, although you want D(directory)
 searching, and you want to store the files in /usr/testbed/webglimpse,
 but you want to *search* /usr/testbed/www.
 
-Next edit .wgfilter-inde and add these lines at the top to keep
+Next edit .wgfilter-index and add these lines at the top to keep
 from indexing the source code and other stuff we do not want to leak out.
 
 	Deny  (^|/)webglimpse