Minor edits to data preparation guide
Spells out "preparation" in the title and uses consistent
capitalization. Removes a redundant lower-level heading and uses
standardized capitalization for "FASTA" and "TSV".
-***************
-Data Prep Guide
-***************
-
-Preparing your data
-===================
+**********************
+Data preparation guide
+**********************
To use Nextstrain to analyze your own data, you'll need to prepare two files:
-1. A ``fasta`` file with viral genomic sequences
-2. A corresponding ``tsv`` file with metadata describing each sequence
+1. A FASTA file with viral genomic sequences
+2. A corresponding TSV file with metadata describing each sequence
We describe the following ways to prepare data for a SARS-CoV-2 analysis:
@@ -19,4 +16,3 @@ We describe the following ways to prepare data for a SARS-CoV-2 analysis:
local-data
gisaid-search
gisaid-full
-
