theoreticaly ==> theoretically

thanks codespell!

Author: wyattscarpenter

docs/source/command_line.rst

@@ -771,7 +771,7 @@ of the above sections.
         The above file is autogenerated and included during html generation.
         (That's an include directive, and this is a comment.)
         It would be fine to generate it at some other time instead,
-        theoreticaly, but we already had a convenient hook during html gen.
+        theoretically, but we already had a convenient hook during html gen.
 
 
 .. option:: --disable-error-code