Fixed a spelling error.

Author: christi3k

citizen_code_of_conduct.md

@@ -41,7 +41,7 @@ The following behaviors are considered harassment and are unacceptable within ou
   * Unwelcome sexual attention. This includes, sexualized comments or jokes; inappropriate touching, groping, and unwelcomed sexual advances.
   * Deliberate intimidation, stalking or following (online or in person).
   * Advocating for, or encouraging, any of the above behavior.
-  * Sustained disruption of community events, including talks and presenations.
+  * Sustained disruption of community events, including talks and presentations.
 
 ## 5. Consequences of Unacceptable Behavior