Fix typo in Presenter Guidelines

Author: murchandamus

_posts/2020-02-12-presenter-guidelines.md

@@ -12,7 +12,7 @@ products or services.
 We have some guidelines to make sure that the talk is useful and relevant for
 our members:
 
-- You **must not** solicit investment from our audience in any way. 
+- You **must not** solicit investment from our audience in any way.
 - All presentations are capped at 15 minutes, including question time.
 - The content of your presentation must be directly relevant to a technical
   audience that is interested in:
@@ -22,12 +22,12 @@ our members:
     interact with, tooling for developers, etc.).
 - Your project must be:
   - Technically innovative (rehashing of existing tech in a new product would
-    not qualify, unless the implementation is demonstrably novel). 
+    not qualify, unless the implementation is demonstrably novel).
   - Live, or code published if it is FOSS.
 - You must work directly on the project and have strong understanding of its
   fundamentals. You should be prepared to answer technical questions about how
   the project is implemented.
-- The presentation must be centered around a live demo. Anything more then 3-5
+- The presentation must be centered around a live demo. Anything more than 3-5
   minutes of slides is not allowed without explicit approval.
 - Your presentation must be complete 1 week before the event. Be prepared to do
   a dry run of your presentation with the BitDevs organization team.