diff --git a/PUBLIC-SNAPSHOT.json b/PUBLIC-SNAPSHOT.json
index 852b001..83429ab 100644
--- a/PUBLIC-SNAPSHOT.json
+++ b/PUBLIC-SNAPSHOT.json
@@ -1 +1 @@
-{"schema_version":2,"project":"sandwich-hime","export_policy":"exact-allowlist-v1","export_mode":"release","file_count":80,"allowlist_sha256":"e40a56b3431efdd99b3a78c38c387722de347216640383fc849569a817edf5c6","manifest_sha256":"1ba4d6b66c26796b5bbce118680726f9a964824f72142aea568642e25d0f33b3"}
+{"schema_version":2,"project":"sandwich-hime","export_policy":"exact-allowlist-v1","export_mode":"release","file_count":80,"allowlist_sha256":"e40a56b3431efdd99b3a78c38c387722de347216640383fc849569a817edf5c6","manifest_sha256":"fd410436e310825eb908ac3795bb1bef861e8e6b0a95183d8692c2a0d688e141"}
diff --git a/PUBLIC-SNAPSHOT.sha256 b/PUBLIC-SNAPSHOT.sha256
index 468b169..b69bf1b 100644
--- a/PUBLIC-SNAPSHOT.sha256
+++ b/PUBLIC-SNAPSHOT.sha256
@@ -13,7 +13,7 @@ a4570d054f072d33b8f17b0c8b162a6ee0ca37d7df2b1aee7e4b728ab350a892  ./GOVERNANCE.m
 47d857e49f89596bac9b09fc8ca57a668a33d01e2b51508acfc92ed321cdc27f  ./LICENSES.md
 b6aa08e5ccaec3c5dccdc19d7cd7f54a70adae4d57966263c7aa353c7ba70e08  ./MAINTAINERS.md
 6638db2f1fba831c79de835ce95c847a5b36c5b5c693b99a28655b2d096cc440  ./OUTPUT_EXCEPTION.md
-e17347ac53a05bad439308f8f9a6bc10f7438d06ce75d09a7f94aadc1d96a726  ./README.md
+043604db73a1a5ae603f455114eadb3c6d67d8426270ba697fd72d3204000443  ./README.md
 9b78254033063ec97f1c9f66aaef9503e477e1f5c3dd602bb78fd78f9e64b90b  ./RELEASE.md
 209decb6769646eb2f58e312fbcd9c497c26234f3d3115bae3f20493b8178584  ./ROADMAP.md
 ea26e6bcdf97746627f21ba64bed16bdb7630f808215e19558ff7c7550422491  ./SECURITY.md
diff --git a/README.md b/README.md
index 142271d..c1a9841 100644
--- a/README.md
+++ b/README.md
@@ -72,6 +72,15 @@ Keep that runtime-first order for Beta 1. It avoids a Go module-cache ambiguity
 between the parent compiler module and its nested runtime when both use the
 same prerelease version.
 
+If the compiler was installed first and `go get` reports that the parent module
+does not contain `sando`, seed the exact nested module without clearing the
+global cache, then retry:
+
+```sh
+go mod download gamertan.com/sandwich-hime/sando@v1.0.0-beta.1
+go get gamertan.com/sandwich-hime/sando@v1.0.0-beta.1
+```
+
 For a reproducible one-off or classroom invocation that does not depend on the
 learner's `PATH`: