diff --git a/.gitignore b/.gitignore
index 750bcf3..4bdbb4e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,4 +2,5 @@
 nimcache/
 nimblecache/
 htmldocs/
-
+bin/
+doc/
diff --git a/Makefile b/Makefile
index 3a27b20..ab34682 100644
--- a/Makefile
+++ b/Makefile
@@ -1,16 +1,21 @@
 BUILD_DIR := bin/
-SOURCE_DIR := src/
+SRC_DIR := src/
+DOC_DIR := doc/
+DOC_TYPE ?= doc
 
 all:
-	nim compile --out:$(BUILD_DIR) $(SOURCE_DIR)*.nim
+	nim compile --out:$(BUILD_DIR) $(SRC_DIR)*.nim
+
+doc:
+	nim $(DOC_TYPE) --outdir:$(DOC_DIR) $(SRC_DIR)*.nim
 
 release:
-	nim compile --define:release --out:$(BUILD_DIR) $(SOURCE_DIR)*.nim
+	nim compile --define:release --out:$(BUILD_DIR) $(SRC_DIR)*.nim
 
 run:
 	@$(BUILD_DIR)main
 
 clean:
-	@rm -rf $(BUILD_DIR)
+	@rm -rf $(BUILD_DIR) $(DOC_DIR)
 
 clear: clean
\ No newline at end of file
diff --git a/src/main.nim b/src/main.nim
index 8214f7b..d452ba9 100644
--- a/src/main.nim
+++ b/src/main.nim
@@ -1 +1,12 @@
-echo "Hello, World!"
\ No newline at end of file
+## This module is a sample.
+
+import strutils
+
+proc helloWorld*(times: int) =
+  ## Takes an integer and outputs
+  ## as many indented "hello world!"s
+
+  for i in 0 .. times-1:
+    echo "hello world!".indent(2) # using indent to avoid `UnusedImport`
+
+helloWorld(5)
\ No newline at end of file