documentation error correction

[bhaskar2443053]

Describe the bug
fortex/health/readers/xray_image_reader.py(https://github.com/asyml/ForteHealth/pull/81/files#diff-1768718f2d2c35efa3726cac628cf25780923862b95313b0ccd2d9f33126f14b)

there are few minor comment error with the documentation of the above file.

To Reproduce
Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior
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Screenshots
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Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context
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