Update 01-introduction.md

Author: sjdkay

_episodes/01-introduction.md

@@ -22,7 +22,7 @@ A list of current request from Detector Subsystem Co-ordinators and the Physics
 
 Campaigns are designated by a standardised format - **YY.MM.Ver**
 - YY - Year the campaign ran, e.g. 26 is 2026
-- MM - Month the campaign ran, e.g. 02 is January
+- MM - Month the campaign ran, e.g. 02 is February
 - Ver - Version of the campaign, starts from 0. May have different versions
 
 These are linked to specific software releases following the same format.
@@ -66,4 +66,4 @@ Why? This change isn't just to make everybody learn something new, it is also a
 
 > You may also find reference to an S3 server. This is now deprecated and cannot be used. 
 > If you find such references or instructions to S3 server usage in tutorial material, please raise an issue on the GitHub page for this tutorial flagging that this should be removed.
-{: .callout}
+{: .callout}