diff --git a/lib/Service/FreePrompt/FreePromptService.php b/lib/Service/FreePrompt/FreePromptService.php
index fec5bdae..99d9e90d 100644
--- a/lib/Service/FreePrompt/FreePromptService.php
+++ b/lib/Service/FreePrompt/FreePromptService.php
@@ -46,7 +46,7 @@ public function processPrompt(string $prompt, int $nResults): string {
 
 		if ($this->userId === null) {
 			$this->logger->warning('User id is null when trying to process prompt');
-			throw new Exception($this->l10n->t('Failed process prompt; unkown user'), Http::STATUS_INTERNAL_SERVER_ERROR);
+			throw new Exception($this->l10n->t('Failed process prompt; unknown user'), Http::STATUS_INTERNAL_SERVER_ERROR);
 		}
 		
 		// Generate a unique id for this generation