diff --git a/MatheC4/Makefile b/MatheC4/Makefile
index b0a4b0f..0ddd503 100644
--- a/MatheC4/Makefile
+++ b/MatheC4/Makefile
@@ -1,8 +1,8 @@
 PDF = MaC4Cheatsheet
 
-all: $(PDF) 
+all: $(PDF)
 
-continuous: $(PDF).continuous 
+continuous: $(PDF).continuous
 
 %.continuous: %.pdf
 	latexmk -jobname=$(@:%.continuous=%) -pvc -pdf $(@:%.continuous=%).tex
@@ -15,8 +15,8 @@ $(PDF): $(PDF).pdf
 clean:
 	latexmk -c -f $(PDF).tex
 
-distclean: 
+distclean:
 	latexmk -C -f $(PDF).tex
-	rm -f $(PDF).pdf 
+	rm -f $(PDF).pdf
 
 .PHONY: all clean distclean $(PDF) continuous