diff --git a/Makefile b/Makefile
index d7e8e49..fb2cc04 100644
--- a/Makefile
+++ b/Makefile
@@ -12,7 +12,7 @@ full:
 	echo "Please specify a sample to build (ends with .exe)"
 
 $(HALOOLIB):
-	cd haloo3d && make full
+	cd haloo3d && $(MAKE) full
 
 # Rule to build .o files in main folder
 $(BUILDD)/%.o: %.c %.h
diff --git a/README.md b/README.md
index 58aa713..429a570 100644
--- a/README.md
+++ b/README.md
@@ -22,13 +22,17 @@ include all your .c files into the main file, in the right order.
 
 This may change in the future.
 
+Unigi expects some kind of graphics backend to run. In this case,
+our samples use SDL1, so you'll need to get that.
+
 ## Haloo3d
 
-You can compile haloo3d using the provided makefile, or include the
-.h and .c files directly into the main translation unit like unigi
-currently expects.
+You can compile haloo3d using the makefile provided in the library
+repo, or include the .h and .c files directly into the main 
+translation unit like unigi currently expects.
 
 For these samples, they expect you to build the `haloo3d_full.a` 
 library using `make full` in the haloo3d submodule. For convenience,
 the makefile for the samples assumes you are using the submodule
 and runs make in there for you.
+