Add open parentheses

diff --git a/docs/reference_guide.md b/docs/reference_guide.md
index f280be5328aa7e4d617002171ea3f2e3866e4b16..df658e2f414f0264c9e77d5ddae9f5f88cc146d5 100644 (file)
--- a/docs/reference_guide.md
+++ b/docs/reference_guide.md
@@ -154,7 +154,7 @@ Arguments are specified on the function declaration: kprobe__*kernel_function_na
 For example:
 
 ```C
-int kprobe__tcp_v4_connect(struct pt_regs *ctx, struct sock *sk)
+int kprobe__tcp_v4_connect(struct pt_regs *ctx, struct sock *sk) {
     [...]
 }
 ```