Fix typo

_posts/2024-07-11-osnma.md

@@ -410,7 +410,7 @@ internal clock to be synchronized with the Galileo System Time, allowing a
 tolerance of ±30 seconds. Therefore, it is essential to ensure that the system
 date and time on the computer running GNSS-SDR are set within this margin.
 This mode can only be used when processing GNSS signals in real-time via a RF
-front-end, but not in post-prpocessing mode (that is, a signal source reading
+front-end, but not in post-processing mode (that is, a signal source reading
 from a file).
 
 ## Other open-source OSNMA implementations