diff --git a/README.md b/README.md
index 3529d62..2f5d99d 100644
--- a/README.md
+++ b/README.md
@@ -49,7 +49,7 @@ Existing Functionality
 * `y`: the dependent variable that constrains `model`
 * `w`: weight applied to the residual; can be a vector (of `length(x)` size) or matrix (inverse covariance)
 * `p0`: initial guess of the model parameters
-* `kwargs`: tuning parameters for fitting, passed to [`levenberg_marquardt`](https://github.com/JuliaOpt/Optim.jl/blob/master/src/levenberg_marquardt.jl) of `Optim.jl`, such as `maxIter` or `show_trace`
+* `kwargs`: tuning parameters for fitting, passed to `levenberg_marquardt`, such as `maxIter` or `show_trace`
 * `fit`: composite type of results (`LsqFitResult`)