diff --git a/docs/demos/coast-to-coast-q4-2023.md b/docs/demos/coast-to-coast-q4-2023.md
index f108eff3c..b6634dfc2 100644
--- a/docs/demos/coast-to-coast-q4-2023.md
+++ b/docs/demos/coast-to-coast-q4-2023.md
@@ -114,8 +114,8 @@ FROM scratch
 ADD manifests /manifests
 EOF
 
-versions="v1.0.0-alpha1 v1.0.0 v1.0.1 v1.1.0 v2.0.0"
-for version in "$versions"
+versions=( v1.0.0-alpha1 v1.0.0 v1.0.1 v1.1.0 v2.0.0 )
+for version in "${versions[@]}"
 do
   make generate manifests
   make docker-build IMG="quay.io/operator-framework/coastal:${version}"
@@ -250,7 +250,7 @@ EOF
 
 - Using `yq`, update the channel to include this bundle as an entry
 ```sh
-yq eval 'select(.schema=="olm.channel" and .name == "stable").entries += [{"name" : "coastal.v1.0.0"}]' index.yaml
+yq eval 'select(.schema=="olm.channel" and .name == "stable").entries += [{"name" : "coastal.v1.0.0"}]' -i catalog/index.yaml
 ```
 
 - Build and push the catalog image
@@ -299,7 +299,7 @@ EOF
 
 - Using `yq`, update the channel to include this bundle as an entry
 ```sh
-yq eval 'select(.schema=="olm.channel" and .name == "stable").entries += [{"name" : "coastal.v1.1.0"}]' index.yaml
+yq eval 'select(.schema=="olm.channel" and .name == "stable").entries += [{"name" : "coastal.v1.1.0"}]' -i catalog/index.yaml
 ```
 
 - Build and push the catalog image
@@ -336,7 +336,7 @@ EOF
 
 - Using `yq`, update the channel to include this bundle as an entry
 ```sh
-yq eval 'select(.schema=="olm.channel" and .name == "stable").entries += [{"name" : "coastal.v1.0.1"}]' index.yaml
+yq eval 'select(.schema=="olm.channel" and .name == "stable").entries += [{"name" : "coastal.v1.0.1"}]' -i catalog/index.yaml
 ```
 
 - Build and push the catalog image
@@ -397,7 +397,7 @@ EOF
 
 - Using `yq`, update the channel to include this bundle as an entry
 ```sh
-yq eval 'select(.schema=="olm.channel" and .name == "stable").entries += [{"name" : "coastal.v2.0.0"}]' index.yaml
+yq eval 'select(.schema=="olm.channel" and .name == "stable").entries += [{"name" : "coastal.v2.0.0"}]' -i catalog/index.yaml
 ```
 
 - Build and push the catalog image