Update docs/overview/concepts/farmer_registry_concepts.md

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docs/overview/concepts/farmer_registry_concepts.md

@@ -65,7 +65,7 @@ For more information about OpenSPP’s Farmer Registry contact us through our [w
 ## References
 
 - [Barca V and Hebbar M (2023) Farmer registries and social protection information systems. FAO, GIZ](https://socialprotection.org/sites/default/files/publications_files/230222_giz_sosi_pub-05_v_10%5B34%5D.pdf)
-- [Digital Convergence Initiative (2023) Social protection management information system interacting with farmer registry. Social Protection Interoperability Series: Interoperability in Action #4](https://socialprotection.org/sites/default/files/multimedia_files/Interoperability-in-Action-Farmer-Workshop-27-April-Workshop-4.pdf).
+- [Digital Convergence Initiative (2023) Social protection management information system interacting with farmer registry. Social Protection Interoperability Series: Interoperability in Action #4](https://socialprotection.org/sites/default/files/multimedia_files/Interoperability-in-Action-Farmer-Workshop-27-April-Workshop-4.pdf)
 <!-- [FAO (2018) Farmers' Registry - A tool in support of small scale agriculture and rural poverty reduction - Webinar](https://socialprotection.org/sites/default/files/publications_files/Webinar%20Presentation%20-%20Farmers%27%20Registries.pdf) -->
 - [HLPE (2013) Investing in smallholder agriculture for food security. A report by the High Level Panel of Experts on Food Security and Nutrition of the Committee on World Food Security, Rome.](https://www.fao.org/3/i2953e/i2953e.pdf)
 - [Lorenzon F (2018) Farmers' Registry - A tool in support of small scale agriculture and rural poverty reduction. Blog written for socialprotection.org based on FAO webinar of the same title.](https://socialprotection.org/discover/blog/farmers-registry-tool-support-small-scale-agriculture-and-rural-poverty-reduction)