diff --git a/.gitignore b/.gitignore
index bea575523049584375fc6633238255015d3a4c84..ef642e23849934e1fd00cea6a969e63430c58af4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 TAGS
+crep
\ No newline at end of file
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000000000000000000000000000000000000..ab1f1a9cb12bf49e8e9406fe40eb01e8e0f78c1d
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,8 @@
+default:
+	@echo "Check targets"
+
+crep:
+	$(CC) main.c -o crep
+
+clean:
+	rm crep
diff --git a/README.md b/README.md
index 26d5a852ee8306ec8bcf62791a81f3eae718589f..67943add56d6a520c3643e19e3fcc74b460b4176 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,13 @@
 # crep - like grep but for code
 
-> Note: you should use ctags or etags. Seriously. This is an experimental thingy.
+**What is it?** If grep and etags had a baby.
+
+Note: you should use ctags or etags. Seriously. This is an experimental thingy.
 
 - https://en.wikipedia.org/wiki/Ctags
 - https://www.emacswiki.org/emacs/TagsFile
+
+## Additional resources
+
+- https://en.wikipedia.org/wiki/Boyer%E2%80%93Moore_string-search_algorithm
+- https://github.com/tree-sitter/tree-sitter
diff --git a/main.c b/main.c
new file mode 100644
index 0000000000000000000000000000000000000000..cde3c1a4af247d7861cb059053c38835710a8fbc
--- /dev/null
+++ b/main.c
@@ -0,0 +1,6 @@
+#include <stdio.h>
+
+int main() {
+  printf("Hi Mark!\n");
+  return 0;
+}