Update 6.1.-Imports-and-Exports.md

Author: ccbogel

docs/doc/en/6.1.-Imports-and-Exports.md

@@ -62,7 +62,7 @@ If no coded data is visible, you may need to change the current coder's name in
 
 This requires a CSV or Excel (xlsx format) file. You can try importing the survey.csv file in the Examples folder.
 
-Survey files in a CSV format, are comma delimited, another delimiter can be chosen. For tab-delimited files type ta, tb, or tab in the Delimiter box so that QualCoder knows the csv file is tab delimited. **The first row must contain the headings for attributes. The first column must contain the unique identifiers for each survey respondent. **
+Survey files in a CSV format, are comma delimited, another delimiter can be chosen. For tab-delimited files type ta, tb, or tab in the Delimiter box so that QualCoder knows the csv file is tab delimited. **The first row must contain the headings for attributes. The first column must contain the unique identifiers for each survey respondent.**
 
 CSV quoting format can be NONE, MINIMAL or ALL. examples of each are shown below, please open your CSV file with a text editor or similar to check how it has been prepared.