Update documentation (G instead of Ctrl-G).

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@5178 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dploog  on May 22, 2008
2E3WIQADG4YAVGR7P32N5Z5QOIV5GFGZWFLEH2ZZUUMVYNW7CYHAC
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