typo

Author: marcvivesmassana

docs/05.tools/02.variable-settings.md

@@ -42,7 +42,7 @@ Contains all the available parameters from the solver.
 
 ## **Library**
 
-The library allows you to pre-define varaibles which can be later imported to the custom variable panel.
+The library allows you to pre-define variables which can be later imported to the custom variable panel.
 
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