removed unwanted double spacing

Author: Sam Vitare

src/content/0/en/part0a.md

@@ -7,7 +7,7 @@ lang: en
 
 <div class="content">
 
-This course is an introduction to modern web development with JavaScript. The main focus is on single-page applications implemented with React and supporting them with RESTful and GraphQL web services implemented with Node.js. The course also has parts on TypeScript,  React Native, and Continuous integration.
+This course is an introduction to modern web development with JavaScript. The main focus is on single-page applications implemented with React and supporting them with RESTful and GraphQL web services implemented with Node.js. The course also has parts on TypeScript, React Native, and Continuous integration.
 
 Other topics include debugging applications, container technology, configuration, managing runtime environments, and databases.
 
@@ -35,7 +35,7 @@ The course material is based on incrementally expanding example applications, wh
 
 The course contains fourteen parts, the first of which is numbered 0 for consistency with past iterations. One part corresponds loosely to one week (averaging 15-20 hours) of studying, but the speed of completing the course is flexible.
 
-Proceeding from part <i>n</i> to part <i>n+1</i> is not sensible before enough know-how of the topics in part <i>n</i>  has been achieved. In pedagogic terms, the course uses [Mastery Learning](https://en.wikipedia.org/wiki/Mastery_learning), and you are only intended to proceed to the next part after doing enough of the exercises of the previous part.
+Proceeding from part <i>n</i> to part <i>n+1</i> is not sensible before enough know-how of the topics in part <i>n</i> has been achieved. In pedagogic terms, the course uses [Mastery Learning](https://en.wikipedia.org/wiki/Mastery_learning), and you are only intended to proceed to the next part after doing enough of the exercises of the previous part.
 
 In parts 1-4 you are expected to do <i>at least</i> all of the exercises that are not marked with an asterisk(*). Exercises marked with an asterisk count towards your final grade, but skipping them does not prevent you from doing the compulsory exercises in the next parts. Parts 5- do not have asterisk marked exercises since there is no similar dependency on previous parts.
 
@@ -298,7 +298,7 @@ If you have a university of Helsinki user account, you can find your student num
 
 #### B) Enrollment confirmation email
 
-After course enrollment, you will receive a confirmation email to an email address you have entered on the enrollment form. This message either directly has your student number on it or includes a link that takes you to a page displaying your University of Helsinki student number.  
+After course enrollment, you will receive a confirmation email to an email address you have entered on the enrollment form. This message either directly has your student number on it or includes a link that takes you to a page displaying your University of Helsinki student number. 
 
 #### C) Contact Student Services