Fixed image link

docs/usage/normalization_methods.md

@@ -18,7 +18,7 @@ Additionally, the normalized data can be scaled using scanpy's [sc.pp.scale](htt
 
     *if you come from R, please note that the [margins are transposed](https://images.hindustantimes.com/rf/image_size_630x354/HT/p2/2017/09/21/Pictures/_78c6a162-9e94-11e7-9c3b-8e901839ece0.JPG) in the Python and anndata world*
 
-   <img src="../img/clr_margins.png" width=65%">
+   <img src="https://github.com/DendrouLab/panpipes/tree/main/docs/img/clr_margins.png" width="65%">
 
 2. dsb using [muon's prot processing](https://muon.readthedocs.io/en/latest/api/generated/muon.prot.pp.html). This method is only applicable when you have raw 10x inputs (see [supported input files](https://panpipes-pipelines.readthedocs.io/en/latest/usage/setup_for_qc_mm.html#supported-input-filetypes)).