Addition README and footer update.

README.md

@@ -16,7 +16,7 @@ What does this script do? It will create a directory (within your ```~/wwww``` s
 Let's go through an example to show you how to best write your own json configuration file. 
 
 ### Configuration
-Have a look at the file <a href="https://gitlab.cern.ch/davidc/plot_comparator/tree/master/config/example_config_ttHbb_study.json target="_blank">config/example_config_ttHbb_study.json</a> to see the tags:
+Have a look at the file <a href="https://gitlab.cern.ch/davidc/plot_comparator/tree/master/config/example_config_ttHbb_study.json" target="_blank">config/example_config_ttHbb_study.json</a> to see the tags:
    - **output_directory**: the to-be-created folder with the index.html of the generated plot comparator.
    - **plots_directory**: the folder where your plots are located (they stay there)
    - **title**: title of the web page.
@@ -30,7 +30,7 @@ Here is a non-exhaustive list:
 ```
 2017__el__tight__HT_jets__4ij__2ib__pTlepFull__none.png
 2018__mu__tight__met_met__4ij__2ib__pTlepFull__none.png
-2018__el__tight__nJets__4ji__3eb__pTlep30-40__HT_jets_above_200.pgn
+2018__el__tight__nJets__4ji__3eb__pTlep30-40__HT_jets_above_200.png
 ```
 The keys in the ```tags``` dictionary are the tag name. The values are:
    - **active**: boolean true/false. There may be a sub-string in all your plot file names always the same: create for that an non-active tag so that the plot comparator takes the value to build the complete file name.