wordpress won't update

When I edit my pages on my site  http://459.548.myftpupload.com , the changes don't remain.
These are the steps I take:
1. Enter a code .... <h4>...,?h4> to establish a header font.
2. Press Update
3. Preview Changes
4. View Page.
When I return to do additional editing, the page has reversed to the previous
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William FulksSystems Analyst & WebmasterCommented:
Try clearing your browser cache and then checking it. Sometimes when you go back and forth between pages it doesn't refresh like it's supposed to. You could also try using another browser combined to check (like Firefox and Chrome).

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