docs: Update README.md

Signed-off-by: Chloe M <chloe@aptel.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/README.md b/README.md
index d9be184..72d5f3e 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,7 @@
 ```
 $TARGET/.bop/posthook.sh    - Runs after the build
 $TARGET/.bop/prehook.sh     - Runs before the build
+$TARGET/.bop/cflags         - CFLAGS passed to CC
 ```
 
 To build a directory with CFILES, run: