diff --git a/communications-numeriques/tp1/Makefile b/communications-numeriques/tp1/Makefile
index a595a49..ccf3860 100644
--- a/communications-numeriques/tp1/Makefile
+++ b/communications-numeriques/tp1/Makefile
@@ -1,13 +1,14 @@
+filename=$(shell basename $(shell pwd))
 timestamp=$(shell date +%Y-%m-%d_%H:%M)
 
-all: tp1
+all: snapshot
 
-tp1: tp1.tex
-	@latexmk -pdf tp1.tex
-	@if ! cmp --silent build/tp1.pdf tp1_*.pdf; then \
-		touch tp1_tmp.pdf; \
-		rm tp1*.pdf; \
-		cp build/tp1.pdf tp1_${timestamp}.pdf; \
+snapshot: main.tex
+	@latexmk -pdf main.tex
+	@if ! cmp --silent build/main.pdf ${filename}_*.pdf; then \
+		touch ${filename}_tmp.pdf; \
+		rm ${filename}*.pdf; \
+		cp build/main.pdf ${filename}_${timestamp}.pdf; \
 		echo "Updated"; \
 	fi
 
diff --git a/communications-numeriques/tp1/tp1.tex b/communications-numeriques/tp1/main.tex
similarity index 100%
rename from communications-numeriques/tp1/tp1.tex
rename to communications-numeriques/tp1/main.tex