DOC: Fix a typo in dsintro.rst

[funnycrab]

No description provided.

[jreback]

thanks!

[funnycrab]

: )

[codecov]

Codecov Report

Merging #15877 into master will decrease coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #15877      +/-   ##
==========================================
- Coverage   90.98%   90.96%   -0.03%     
==========================================
  Files         143      143              
  Lines       49479    49479              
==========================================
- Hits        45020    45009      -11     
- Misses       4459     4470      +11

Flag	Coverage Δ
#multiple	88.72% <ø> (-0.01%)	⬇️
#single	40.63% <ø> (-0.11%)	⬇️

Impacted Files	Coverage Δ
pandas/io/gbq.py	25% <0%> (-58.34%)	⬇️
pandas/util/testing.py	80.66% <0%> (-0.19%)	⬇️
pandas/core/frame.py	97.56% <0%> (-0.1%)	⬇️

---

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Δ = absolute <relative> (impact), ø = not affected, ? = missing data
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[codecov]

Codecov Report

Merging #15877 into master will decrease coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #15877      +/-   ##
==========================================
- Coverage   90.98%   90.96%   -0.03%     
==========================================
  Files         143      143              
  Lines       49479    49479              
==========================================
- Hits        45020    45009      -11     
- Misses       4459     4470      +11

Flag	Coverage Δ
#multiple	88.72% <ø> (-0.01%)	⬇️
#single	40.63% <ø> (-0.11%)	⬇️

Impacted Files	Coverage Δ
pandas/io/gbq.py	25% <0%> (-58.34%)	⬇️
pandas/util/testing.py	80.66% <0%> (-0.19%)	⬇️
pandas/core/frame.py	97.56% <0%> (-0.1%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 4cb730e...b78e21c. Read the comment docs.