Merge pull request #1629 from SciML/ChrisRackauckas-patch-5

Fix typo

Author: ChrisRackauckas

docs/src/internals.md

@@ -24,7 +24,7 @@ The procedure for variable elimination inside [`structural_simplify`](@ref) is
 4. [`ModelingToolkit.tearing`](@ref).
 
 ## Preparing a system for simulation
-Before a simulation or optimization can be performed, the symbolic equations stored in an [`AbstractSystem`](@ref) must be converted into executable code. This step is typically occurs after the simplification explained above, and is performed when an instance of a [`AbsSciMLBase.SciMLProblem`](@ref), such as a [`ODEProblem`](@ref), is constructed.
+Before a simulation or optimization can be performed, the symbolic equations stored in an [`AbstractSystem`](@ref) must be converted into executable code. This step is typically occurs after the simplification explained above, and is performed when an instance of a [`SciMLBase.SciMLProblem`](@ref), such as a [`ODEProblem`](@ref), is constructed.
 The call chain typically looks like this, with the function names in the case of an `ODESystem` indicated in parenthesis
 1. Problem constructor ([`ODEProblem`](@ref))
 2. Build an `DEFunction` ([`process_DEProblem`](@ref) -> [`ODEFunction`](@ref)