diff --git a/Img/equilibre_instable.png b/Img/equilibre_instable.png
index 63cead4..400b0e8 100644
Binary files a/Img/equilibre_instable.png and b/Img/equilibre_instable.png differ
diff --git a/Img/equilibre_instable.psd b/Img/equilibre_instable.psd
index 33a4d41..f9bb399 100644
Binary files a/Img/equilibre_instable.psd and b/Img/equilibre_instable.psd differ
diff --git a/Syllabus/forces.tex b/Syllabus/bases_mecanique.tex
similarity index 100%
rename from Syllabus/forces.tex
rename to Syllabus/bases_mecanique.tex
diff --git a/Syllabus/makefile b/Syllabus/makefile
index fc02f7b..d2679b3 100644
--- a/Syllabus/makefile
+++ b/Syllabus/makefile
@@ -3,13 +3,13 @@ SHELL = /bin/bash
 # TEXINPUTS=./layout_syllabus_ffg/:.//:
 
 
-all: forces.pdf clean
+all: bases_mecanique.pdf clean
 
-forces.pdf: forces.tex
+bases_mecanique.pdf: bases_mecanique.tex
 	# echo $(SHELL)
 	# echo $(TEXINPUTS)
-	TEXINPUTS=./layout_syllabus_ffg/:.//: xelatex ./forces.tex
-	TEXINPUTS=./layout_syllabus_ffg/:.//: xelatex ./forces.tex
+	TEXINPUTS=./layout_syllabus_ffg/:.//: xelatex ./bases_mecanique.tex
+	TEXINPUTS=./layout_syllabus_ffg/:.//: xelatex ./bases_mecanique.tex
 
 # .DELETE_ON_ERROR:
 # %.pdf %.aux %.idx: %.tex