fixed spelling error (home-assistant#11994)

tscibilia · web-flow · commit c7a6ac91e157 · 2020-02-06T17:02:01.000+01:00
Line 56 changed Speach to Speech
diff --git a/source/_integrations/marytts.markdown b/source/_integrations/marytts.markdown
@@ -53,7 +53,7 @@ effect:
 
 See [documentation](http://mary.dfki.de/documentation/index.html) for details.
 
-## Speach effects
+## Speech effects
 
 For more information about the different effects take a look at the demo page of your MaryTTS installation (http://localhost:59125/).
 
