added prod URL

... now that the tree is public - plus other minor tweaks

pfas-tree/PFAS_Tree.Rmd

@@ -29,8 +29,9 @@ EEB: ORCID [0000-0002-5959-6190](http://orcid.org/0000-0002-5959-6190)
 
 ## Preamble
 
-This document describes the "PFAS and Fluorinated Organic Compounds in 
-PubChem Tree" (see Figure 1) on the 
+This document describes the "[PFAS and Fluorinated Organic Compounds in 
+PubChem Tree](https://pubchem.ncbi.nlm.nih.gov/classification/#hid=120)" 
+(see Figure 1) on the 
 [Classification Brower](https://pubchem.ncbi.nlm.nih.gov/classification/)
 in [PubChem](https://pubchem.ncbi.nlm.nih.gov/) [@kim_pubchem_2021], 
 developed in collaboration with the 
@@ -38,9 +39,10 @@ Environmental Cheminformatics group
 ([ECI](https://wwwen.uni.lu/lcsb/research/environmental_cheminformatics))
 at the [LCSB](https://wwwen.uni.lu/lcsb/), 
 [University of Luxembourg](https://wwwen.uni.lu/) in consultation with 
-several community representatives (see Acknowledgements).
+several community representatives (see [Contributions](#contrib)
+and [Acknowledgements](#ack)).
 
-![The "[PFAS and Fluorinated Organic Compounds in PubChem Tree](https://testpubchem.ncbi.nlm.nih.gov/classification/#hid=127)" Landing Page.](fig/PFAS_Tree_Landing.png)
+![The "[PFAS and Fluorinated Organic Compounds in PubChem Tree](https://pubchem.ncbi.nlm.nih.gov/classification/#hid=120)" Landing Page.](fig/PFAS_Tree_Landing.png)
 
 
 ## Contents 
@@ -51,13 +53,13 @@ This document is organised as follows:
 |-----------|---------|:----:|
 |PubChem PFAS Tree Nodes | [Go to heading](#treenodes) | 2 |
 |_OECD PFAS Definition_ | [Go to heading](#oecddef) | 2 |
-|_Organofluorine Compounds_ | [Go to heading](#orgf) | ... |
-|_PFAS and Fluorinated Organic Compound Collections_ | [Go to heading](#lists) | ... |
-|Searching the Tree | [Go to heading](#search) | ... |
-|_Search via PubChem Search_ | [Go to heading](#pc-search) | ... |
-|_Interactions via Entrez_ | [Go to heading](#entrez) | ... |
-|Implementation | [Go to heading](#impl) | ... |
-|Statements and References | [Go to heading](#statements) | ... | 
+|_Organofluorine Compounds_ | [Go to heading](#orgf) | 4 |
+|_PFAS and Fluorinated Organic Compound Collections_ | [Go to heading](#lists) | 4 |
+|Searching the Tree | [Go to heading](#search) | 4 |
+|_Search via PubChem Search_ | [Go to heading](#pc-search) | 4 |
+|_Interactions via Entrez_ | [Go to heading](#entrez) | 5 |
+|Implementation | [Go to heading](#impl) | 5 |
+|Statements and References | [Go to heading](#statements) | 5 | 
 
 
 ## PubChem PFAS Tree Nodes {#treenodes}
@@ -100,7 +102,7 @@ with the top two level subnodes, is shown in Figure 3.
 
 
 
-#### Isolated CF~2~ and CF~3~ Nodes 
+#### Isolated CF~2~ and CF~3~ Nodes: 
 
 The top two subnodes of the OECD PFAS Definition allows the browsing of all PFAS 
 molecules in PubChem containing at least one isolated CF~2~ part (top subnode) 
@@ -174,15 +176,11 @@ Content still to come ...
 ### Author Contributions {#contrib}
 <!-- https://authorservices.wiley.com/author-resources/Journal-Authors/open-access/credit.html -->
 
-ELS: Conceptualization (equal), data curation, methodology, software, validation, writing - original draft preparation, writing - review and editing.
-
-PC: Validation (supporting)
-
-PAT: Data curation, methodology, software
-
-JZ: Data curation, methodology, software
-
-EEB: Conceptualization (equal), data curation, methodology, software (lead), validation, writing - original draft preparation, writing - review and editing.
+- ELS: Conceptualization (equal), data curation, methodology, software, validation, writing - original draft preparation, writing - review and editing.
+- PC: Validation (supporting)
+- PAT: Data curation, methodology, software
+- JZ: Data curation, methodology, software
+- EEB: Conceptualization (equal), data curation, methodology, software (lead), validation, writing - original draft preparation, writing - review and editing.
 
 
 ### Acknowledgements {#ack}
@@ -193,7 +191,7 @@ as well as other project members of [ZeroPM](https://zeropm.eu/).
 
 We would also like to acknowledge discussions and contributions from 
 various members of the ECI and PubChem teams that were not directly
-involved in these efforts but have likely contributed indirectly 
+involved in these efforts but have contributed indirectly 
 through our many other collaborative efforts!
 
 ### References {#ref}