docs: dependencies live in a standalone repo

Change-Id: I995ab2e70595a4d1234e9ec038f881ed16df2feb
Fixes: 32ca34f Stop pinning `CzechLight/dependencies` via `cla-sysrepo` and `netconf-cli`
diff --git a/ci/build.sh b/ci/build.sh
index 96a3be1..0a6a477 100755
--- a/ci/build.sh
+++ b/ci/build.sh
@@ -14,7 +14,7 @@
 mkdir ${BUILD_DIR}
 cd ${BUILD_DIR}
 
-# Dependencies are normally specified via the cla-sysrepo.git repo
+# Dependencies are normally specified via the submodules/dependencies.git repo
 ${ZUUL_PROJECT_SRC_DIR}/dev-setup-git.sh
 
 if [[ $(jq < ~/zuul-env.json -r '.project.name') != 'CzechLight/br2-external' ]]; then