Update api.md

Author: TorkelE

docs/src/api.md

@@ -86,9 +86,9 @@ ReactionSystem
 ```
 
 ## [Options for the `@reaction_network` DSL](@id api_dsl_options)
-We have [previously described](@ref dsl_advanced_options) how options permits the user to supply non-reaction information to [`ReactionSystem`](@ref) created through the DSL. Here follows a list
+We have [previously described](@ref dsl_advanced_options) how options permit the user to supply non-reaction information to [`ReactionSystem`](@ref) created through the DSL. Here follows a list
 of all options currently available.
-- [`parameters`]:(@ref dsl_advanced_options_declaring_species_and_parameters) Allows the designation of a set of symbols as system parameter.
+- [`parameters`](@ref dsl_advanced_options_declaring_species_and_parameters): Allows the designation of a set of symbols as system parameters.
 - [`species`](@ref dsl_advanced_options_declaring_species_and_parameters): Allows the designation of a set of symbols as system species.
 - [`variables`](@ref dsl_advanced_options_declaring_species_and_parameters): Allows the designation of a set of symbols as system non-species variables.
 - [`ivs`](@ref dsl_advanced_options_ivs): Allows the designation of a set of symbols as system independent variables.