diff --git a/.github/workflows/lint_0.yml b/.github/workflows/lint_0.yml
index 9bc91fb324..a621002392 100644
--- a/.github/workflows/lint_0.yml
+++ b/.github/workflows/lint_0.yml
@@ -10,7 +10,7 @@ on:
   pull_request:
 
 env:
-  CORE_REPO_SHA: opentelemetrybot/prepare-release-1.29.0-0.50b0
+  CORE_REPO_SHA: release/v1.29.x-0.50bx
   CONTRIB_REPO_SHA: main
   PIP_EXISTS_ACTION: w
 
diff --git a/.github/workflows/misc_0.yml b/.github/workflows/misc_0.yml
index 3b11e11a1c..c4c275a5e9 100644
--- a/.github/workflows/misc_0.yml
+++ b/.github/workflows/misc_0.yml
@@ -10,7 +10,7 @@ on:
   pull_request:
 
 env:
-  CORE_REPO_SHA: opentelemetrybot/prepare-release-1.29.0-0.50b0
+  CORE_REPO_SHA: release/v1.29.x-0.50bx
   CONTRIB_REPO_SHA: main
   PIP_EXISTS_ACTION: w
 
diff --git a/.github/workflows/test_0.yml b/.github/workflows/test_0.yml
index fe124a95f4..44cce1b04e 100644
--- a/.github/workflows/test_0.yml
+++ b/.github/workflows/test_0.yml
@@ -10,7 +10,7 @@ on:
   pull_request:
 
 env:
-  CORE_REPO_SHA: opentelemetrybot/prepare-release-1.29.0-0.50b0
+  CORE_REPO_SHA: release/v1.29.x-0.50bx
   CONTRIB_REPO_SHA: main
   PIP_EXISTS_ACTION: w
 
diff --git a/.github/workflows/test_1.yml b/.github/workflows/test_1.yml
index 8c884fa3b2..755b238f96 100644
--- a/.github/workflows/test_1.yml
+++ b/.github/workflows/test_1.yml
@@ -10,7 +10,7 @@ on:
   pull_request:
 
 env:
-  CORE_REPO_SHA: opentelemetrybot/prepare-release-1.29.0-0.50b0
+  CORE_REPO_SHA: release/v1.29.x-0.50bx
   CONTRIB_REPO_SHA: main
   PIP_EXISTS_ACTION: w
 
diff --git a/.github/workflows/test_2.yml b/.github/workflows/test_2.yml
index 3e2fb9846b..996194cc3f 100644
--- a/.github/workflows/test_2.yml
+++ b/.github/workflows/test_2.yml
@@ -10,7 +10,7 @@ on:
   pull_request:
 
 env:
-  CORE_REPO_SHA: opentelemetrybot/prepare-release-1.29.0-0.50b0
+  CORE_REPO_SHA: release/v1.29.x-0.50bx
   CONTRIB_REPO_SHA: main
   PIP_EXISTS_ACTION: w
 
diff --git a/README.md b/README.md
index 8582c472ba..95a97a384f 100644
--- a/README.md
+++ b/README.md
@@ -65,7 +65,7 @@ Unless explicitly stated otherwise, any instrumentation here for a particular li
 The
 [`instrumentation/`](https://github.com/open-telemetry/opentelemetry-python-contrib/tree/main/instrumentation)
 directory includes OpenTelemetry instrumentation packages, which can be installed
-separately as:
+separately as :
 
 ```sh
 pip install opentelemetry-instrumentation-{integration}