Update docs/extensions/commandonsync.md

Co-authored-by: Thomas Perl <[email protected]>

Author: reactorcoremeltdown

docs/extensions/commandonsync.md

@@ -14,7 +14,7 @@ Run a predefined external command upon sync completion.
 Introduction
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-One might want to run an external program when all podcast episodes get synchronized to external database (refresh a player's database or enqueue the episode, download episode statistics, run other device-related program like Last.FM scrobbler, etc.). This extension makes it possible to execute any commad.
+One might want to run an external program when all podcast episodes get synchronized to external database (refresh a player's database or enqueue the episode, download episode statistics, run other device-related program like Last.FM scrobbler, etc.). This extension makes it possible to execute any command.
 
 Usage
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