diff --git a/README.md b/README.md
index 2cf04d2..e7a9c74 100644
--- a/README.md
+++ b/README.md
@@ -63,10 +63,15 @@ Functions
 ---------
 
 ```
+/* Read */
 int readelf(FILE *f, Fhdr *fp);
 uint8_t* readelfsection(FILE *f, char *name, uint64_t *size, Fhdr *fp);
 void freeelf(Fhdr *fp);
+
+/* Print */
 void printelfhdr(Fhdr *fp);
+
+/* String */
 char* elfclass(uint8_t class);
 char* elfdata(uint8_t data);
 char* elfosabi(uint8_t osabi);
diff --git a/elf.h b/elf.h
index 10b2494..5fe16dc 100644
--- a/elf.h
+++ b/elf.h
@@ -47,10 +47,15 @@ struct Fhdr {
 	uint8_t		*strndx;	/* Copy of String Table */
 };
 
+/* Read */
 int readelf(FILE*, Fhdr*);
 uint8_t* readelfsection(FILE*, char*, uint64_t*, Fhdr*);
 void freeelf(Fhdr*);
+
+/* Print */
 void printelfhdr(Fhdr*);
+
+/* String */
 char* elfclass(uint8_t);
 char* elfdata(uint8_t);
 char* elfosabi(uint8_t);