Thank you 
I still can't see the edit option myself. So, can you please replace step 7 of the post with these lines please? Thank you.
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7. Check if ZSWAP is enabled by running (Mentioned by @1Q7FE6zp)
cat /sys/module/zswap/parameters/enabled
If ZSWAP is enabled, you should see Y in return.
To check if LZ4 compressor is being used run
dmesg | grep -i zswap
Check the last line of the response. If the result says
[ 0.715381] zswap: loaded using pool lz4/zbud
Then voila ! You've successfully enabled ZSWAP.
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