Brave sync is not renamed to Sync in the following places:
Hamburger menu:

Brave://settings sidebar:

Brave://settings ->Brave sync section

Brave Sync should be renamed to Sync
Always
Brave 0.59.13 Chromium: 72.0.3626.28 (Official Build) beta (64-bit)
Revision 997b1040b63bac324e815797ba52be0cd8f616ed-refs/branch-heads/3626@{#461}
OS Linux
@brave/legacy_qa
Does not reproduce on macOS using the below build
Brave | 0.59.14 Chromium: 72.0.3626.28聽(Official Build)聽beta(64-bit)
-- | --
Revision | 997b1040b63bac324e815797ba52be0cd8f616ed-refs/branch-heads/3626@{#461}
OS | Mac OS X

Does not reproduce on Ubuntu 17.10 with the new build
Brave | 0.59.14 Chromium: 72.0.3626.28聽(Official Build)聽beta(64-bit)
-- | --
Revision | 997b1040b63bac324e815797ba52be0cd8f616ed-refs/branch-heads/3626@{#461}
OS | Linux

I can reproduce this issue on my Linux machine(Not VM) running Ubuntu 18.04.1
here's the recording on a clean profile https://youtu.be/04K6JYI9Y2E
Seeing the same thing under Mint 18.3 x64 VM & Ubuntu 18.04.1 LTS x64 using the following build:
Brave | 0.59.18 Chromium: 72.0.3626.28 (Official Build) beta (64-bit)
--- | ----
Revision| 997b1040b63bac324e815797ba52be0cd8f616ed-refs/branch-heads/3626@{#461}
OS | Linux
Examples:



Don't see it in
Brave | 0.59.35 Chromium: 72.0.3626.81聽(Official Build)聽(64-bit)
-- | --
Revision | ac8b982e05014492d1bd7d317628a4f22a97ffa0-refs/branch-heads/3626@{#796}
OS | Linux

Thanks for double checking @AlexeyBarabash 馃憤 I checked Ubuntu 18.04 x64 VM and Mint 19.1 x64 VM using 0.59.35 and I'm also seeing Sync instead of Brave Sync. Checked the following:
Syncbrave://settings and ensured that the sidebar appeared as Syncbrave://settings and the sync section is titled as SyncExample:

@GeetaSarvadnya mind checking to see if it's working for you now?
The issue is fixed and working fine. Verified on below version Linux mint -
0.63.48 and 0.64.62

Most helpful comment
Thanks for double checking @AlexeyBarabash 馃憤 I checked
Ubuntu 18.04 x64 VMandMint 19.1 x64 VMusing0.59.35and I'm also seeingSyncinstead ofBrave Sync. Checked the following:Syncbrave://settingsand ensured that the sidebar appeared asSyncbrave://settingsand the sync section is titled asSyncExample:
@GeetaSarvadnya mind checking to see if it's working for you now?