Yet another typo

Author: skloibi

tests/readme/custom_mixins_example.py

@@ -43,7 +43,7 @@ class MyCustomToolkit(TextttMixin, DefaultToolkit):
 # manually add new TeX (constant) definitions (\\newcommand)
 tex.newcommand("const", 1)
 
-# this overwrites the previous definition of 'cons'
+# this overwrites the previous definition of 'const'
 tex.newcommand("const", 3, mathmode=False)
 
 # add custom TeX strings that should be directly serialized