1 files changed, 1 insertions, 1 deletions
diff --git a/ship/build b/ship/build
index 61d79ee4..bd26482d 100755
--- a/ship/build
+++ b/ship/build
@@ -24,7 +24,7 @@ build() {
 ### macros
 ###
 
-## usage: #@include \([0-9A-Za-z]\+\) -> build_include \1 \2
+## usage: #@include \([0-9A-Za-z_]\+\) -> build_include \1 \2
 build_include() {
   if buildcache_has "#@include:$2"; then
     printf '%da\\\n##include %s: already done\n' $1 $2