Update data.md

I messed up. But I think I fixed it.

content/data.md

@@ -31,8 +31,11 @@ This dataset contains the membership data for denominations (or other religious
 
 
 E. Dana Durand, Religious Bodies: 1906, Part 1 Summary and General Tables (Washington: Government Printing Office, 1910), 16-18.
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 Sam. L. Rogers, Religious Bodies: 1916, Part 1 Summary and General Tables (Washington: Government Printing Office, 1919), 15-17.
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 W. M. Steuart, Religious Bodies: 1926, Volume 1 Summary and Detailed Tables (Washington: Government Printing Office, 1930), 10-12.
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 J. C. CAPT, Religious Bodies: 1936, Volume 1 Summary and Detailed Tables (Washington: Government Printing Office, 1941), 11-16.
 
 <h3 id="003">Populated places listed in the 1926 Census of Religious Bodies</h3>
@@ -47,6 +50,9 @@ This dataset contains a list of populated places suitable for use with the city-
 
 
 E. Dana Durand, Religious Bodies: 1906, Part 1 Summary and General Tables (Washington: Government Printing Office, 1910), 374, table 5.
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 Sam. L. Rogers, Religious Bodies: 1916, Part 1 Summary and General Tables (Washington: Government Printing Office, 1919), 330, table 64.
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 W. M. Steuart, Religious Bodies: 1926, Volume 1 Summary and Detailed Tables (Washington: Government Printing Office, 1930), 348, table 30.
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 J. C. CAPT, Religious Bodies: 1936, Volume 1 Summary and Detailed Tables (Washington: Government Printing Office, 1941), 424, table 30.