diff --git a/docs/index.md b/docs/index.md
index ea8360d9..c021f20b 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -18,7 +18,7 @@ A curated list of awesome references collected since 2018. Microservices archite
[{: style="width:7%"}](https://www.youtube.com/channel/UC7noUdfWp-ukXUlAsJnSm-Q/) [{: style="width:7%"}](https://www.youtube.com/user/SpringSourceDev) [{: style="width:7%"}](https://www.youtube.com/channel/UCaW8QG_QoIk_FnjLgr5eOqg) [{: style="width:7%"}](https://www.youtube.com/channel/UCcxTiKb1h2lY_gpTCDgXn1g) [{: style="width:7%"}](https://www.youtube.com/channel/UCocudCGVb3MmhWQ1aoIgUQw) [{: style="width:7%"}](https://www.youtube.com/user/SmartBearSoftware) [{: style="width:7%"}](https://www.youtube.com/user/artifrog) [{: style="width:7%"}](https://www.youtube.com/user/sonatype) [{: style="width:7%"}](https://www.youtube.com/channel/UCS5-gTYteN9rnFd98YxYtrA) [{: style="width:7%"}](https://www.youtube.com/user/ChromeDevelopers) [{: style="width:7%"}](https://www.youtube.com/channel/UCh5UlGiu9d6LegIeUCW4N1w)
[{: style="width:7%"}](https://www.youtube.com/channel/UCooRnlDz6VLAbFyKIChz4fg) [{: style="width:7%"}](https://www.youtube.com/channel/UCxObRDZ0DtaQe_cCP-dN-xg) [{: style="width:7%"}](https://www.youtube.com/channel/UCc-m3P54YDVTjtMUJlmAuow) [{: style="width:7%"}](https://www.youtube.com/user/MongoDB) [{: style="width:7%"}](https://www.youtube.com/channel/UCD78lHSwYqMlyetR0_P4Vig/) [{: style="width:7%"}](https://www.youtube.com/channel/UCmZz-Gj3caLLzEWBtbYUXaA) [{: style="width:7%"}](https://www.youtube.com/channel/UCud7fErZAyMC6lHT_cWZNfA) [{: style="width:7%"}](https://www.youtube.com/channel/UC3ywadaAUQ1FI4YsHZ8wa0g) [{: style="width:7%"}](https://www.youtube.com/channel/UCm63IQg81KP9vXRWSHQpu1w) [{: style="width:7%"}](https://www.youtube.com/channel/UCt7N400Z8gB_3yKq1qrjP2w) [{: style="width:7%"}](https://www.youtube.com/c/Portworx)
[{: style="width:7%"}](https://www.youtube.com/c/Cloudacademy/videos) [{: style="width:7%"}](https://www.youtube.com/channel/UCp8lLM2JP_1pv6E0NQ38pqw) [{: style="width:7%"}](https://www.youtube.com/c/Devopsdotcom) [{: style="width:7%"}](https://www.youtube.com/user/xebialabs) [{: style="width:7%"}](https://www.youtube.com/channel/UCOnioSzUZS-ZqsRnf38V2nA) [{: style="width:7%"}](https://www.youtube.com/channel/UC5CMtpogD_P3mOoeiDHD5eQ) [{: style="width:7%"}](https://www.youtube.com/user/coursera) [{: style="width:7%"}](https://www.youtube.com/channel/UCSJbGtTlrDami-tDGPUV9-w) [{: style="width:7%"}](https://www.youtube.com/user/guru99com) [{: style="width:7%"}](https://www.youtube.com/user/intellipaaat) [{: style="width:7%"}](https://www.youtube.com/CodelyTV)
-[{: style="width:7%"}](https://www.youtube.com/channel/UCoOq-DtESvayx5yJE5H6-qQ) [{: style="width:7%"}](https://www.youtube.com) [{: style="width:7%"}](https://www.youtube.com) [{: style="width:7%"}](https://www.youtube.com) [{: style="width:7%"}](https://www.youtube.com) [{: style="width:7%"}](https://www.youtube.com) [{: style="width:7%"}](https://www.youtube.com) [{: style="width:7%"}](https://www.youtube.com) [{: style="width:7%"}](https://www.youtube.com) [{: style="width:7%"}](https://www.youtube.com) [{: style="width:7%"}](https://www.youtube.com)
+[{: style="width:7%"}](https://www.youtube.com/channel/UCoOq-DtESvayx5yJE5H6-qQ) [{: style="width:7%"}](https://www.youtube.com/channel/UCtV2o3OvEH6U3DQ0-_7chNw) [{: style="width:7%"}](https://www.youtube.com) [{: style="width:7%"}](https://www.youtube.com) [{: style="width:7%"}](https://www.youtube.com) [{: style="width:7%"}](https://www.youtube.com) [{: style="width:7%"}](https://www.youtube.com) [{: style="width:7%"}](https://www.youtube.com) [{: style="width:7%"}](https://www.youtube.com) [{: style="width:7%"}](https://www.youtube.com) [{: style="width:7%"}](https://www.youtube.com)
---
diff --git a/docs/jenkins.md b/docs/jenkins.md
index 04c3a038..1b748109 100644
--- a/docs/jenkins.md
+++ b/docs/jenkins.md
@@ -145,7 +145,7 @@ jenkinsci CloudBees' advice is to use build tool features when possible (Maven/G
## Evolution of open source CI/CD Tools
-- [NADOG - Evolution of open source CI/CD tools - Oleg Nenashev 🌟](https://docs.google.com/presentation/d/17bQ30ycAUB-k4YZ4dC23cxNiNChvRRQO7_6FNGcS0j4/edit#slide=id.ge2ec0e74a3_0_9)
+- [Presentation: NADOG - Evolution of open source CI/CD tools - Oleg Nenashev 🌟](https://docs.google.com/presentation/d/17bQ30ycAUB-k4YZ4dC23cxNiNChvRRQO7_6FNGcS0j4/edit#slide=id.ge2ec0e74a3_0_9)
## eBooks
- [Pipeline as Code](https://www.manning.com/books/pipeline-as-code) Continuous Delivery with Jenkins, Kubernetes, and Terraform