diff --git a/build_all.sh b/build_all.sh
index 90665672f..37374aa7c 100755
--- a/build_all.sh
+++ b/build_all.sh
@@ -1,5 +1,5 @@
 #! /bin/sh
-rem DO NO EDIT DIRECTLY! auto-generated by `nim r tools/ci_generate.nim`
+# DO NO EDIT DIRECTLY! auto-generated by `nim r tools/ci_generate.nim`
 
 # build development version of the compiler; can be rerun safely.
 # arguments can be passed, e.g.:
diff --git a/tools/ci_generate.nim b/tools/ci_generate.nim
index 2e6b4b3de..f08cd5409 100644
--- a/tools/ci_generate.nim
+++ b/tools/ci_generate.nim
@@ -87,7 +87,7 @@ if not exist %nim_csources% (
 proc genPosixScript(): string =
   result = fmt"""
 #! /bin/sh
-rem {doNotEdit}
+# {doNotEdit}
 
 # build development version of the compiler; can be rerun safely.
 # arguments can be passed, e.g.: