diff --git a/c-api/repl_tools_h.md b/c-api/repl_tools_h.md
index ec2f0b7..1aeb06e 100644
--- a/c-api/repl_tools_h.md
+++ b/c-api/repl_tools_h.md
@@ -5,6 +5,8 @@ This header provides a number of tools for compiling and running Toy, and is use
 
 This is not a core part of Toy or a library, and as such `repl_tools.h` and `repl_tools.c` can both be found in the `repl/` folder.
 
+## Defined Functions
+
 ### const char* Toy_readFile(const char* path, size_t* fileSize)
 
 This function reads in a file, and returns it as a constant buffer. It also sets the variable pointed to by `fileSize` to the size of the given buffer.