diff --git a/2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/01-introduction.md b/2 T1 Mapping/1-1 Inversion Recovery/01-introduction.md
similarity index 100%
rename from 2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/01-introduction.md
rename to 2 T1 Mapping/1-1 Inversion Recovery/01-introduction.md
diff --git a/2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/02-IR_SignalModelling.md b/2 T1 Mapping/1-1 Inversion Recovery/02-IR_SignalModelling.md
similarity index 100%
rename from 2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/02-IR_SignalModelling.md
rename to 2 T1 Mapping/1-1 Inversion Recovery/02-IR_SignalModelling.md
diff --git a/2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/03-IR_DataFitting.md b/2 T1 Mapping/1-1 Inversion Recovery/03-IR_DataFitting.md
similarity index 100%
rename from 2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/03-IR_DataFitting.md
rename to 2 T1 Mapping/1-1 Inversion Recovery/03-IR_DataFitting.md
diff --git a/2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/04-IR_BenefitsAndPitfalls.md b/2 T1 Mapping/1-1 Inversion Recovery/04-IR_BenefitsAndPitfalls.md
similarity index 100%
rename from 2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/04-IR_BenefitsAndPitfalls.md
rename to 2 T1 Mapping/1-1 Inversion Recovery/04-IR_BenefitsAndPitfalls.md
diff --git a/2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/IR_OtherMethods.md b/2 T1 Mapping/1-1 Inversion Recovery/05-IR_OtherMethods.md
similarity index 100%
rename from 2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/IR_OtherMethods.md
rename to 2 T1 Mapping/1-1 Inversion Recovery/05-IR_OtherMethods.md
diff --git a/2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/img/equation1.png b/2 T1 Mapping/1-1 Inversion Recovery/img/equation1.png
similarity index 100%
rename from 2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/img/equation1.png
rename to 2 T1 Mapping/1-1 Inversion Recovery/img/equation1.png
diff --git a/2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/img/equation2.png b/2 T1 Mapping/1-1 Inversion Recovery/img/equation2.png
similarity index 100%
rename from 2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/img/equation2.png
rename to 2 T1 Mapping/1-1 Inversion Recovery/img/equation2.png
diff --git a/2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/img/equation3.png b/2 T1 Mapping/1-1 Inversion Recovery/img/equation3.png
similarity index 100%
rename from 2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/img/equation3.png
rename to 2 T1 Mapping/1-1 Inversion Recovery/img/equation3.png
diff --git a/2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/img/equation4.png b/2 T1 Mapping/1-1 Inversion Recovery/img/equation4.png
similarity index 100%
rename from 2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/img/equation4.png
rename to 2 T1 Mapping/1-1 Inversion Recovery/img/equation4.png
diff --git a/2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/img/equations_all.svg b/2 T1 Mapping/1-1 Inversion Recovery/img/equations_all.svg
similarity index 100%
rename from 2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/img/equations_all.svg
rename to 2 T1 Mapping/1-1 Inversion Recovery/img/equations_all.svg
diff --git a/2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/img/ir_pulsesequences.png b/2 T1 Mapping/1-1 Inversion Recovery/img/ir_pulsesequences.png
similarity index 100%
rename from 2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/img/ir_pulsesequences.png
rename to 2 T1 Mapping/1-1 Inversion Recovery/img/ir_pulsesequences.png
diff --git a/2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/img/ir_pulsesequences.svg b/2 T1 Mapping/1-1 Inversion Recovery/img/ir_pulsesequences.svg
similarity index 100%
rename from 2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/img/ir_pulsesequences.svg
rename to 2 T1 Mapping/1-1 Inversion Recovery/img/ir_pulsesequences.svg
diff --git a/2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/img/plot1.png b/2 T1 Mapping/1-1 Inversion Recovery/img/plot1.png
similarity index 100%
rename from 2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/img/plot1.png
rename to 2 T1 Mapping/1-1 Inversion Recovery/img/plot1.png
diff --git a/2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/img/plot2.png b/2 T1 Mapping/1-1 Inversion Recovery/img/plot2.png
similarity index 100%
rename from 2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/img/plot2.png
rename to 2 T1 Mapping/1-1 Inversion Recovery/img/plot2.png
diff --git a/2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/img/plot3.png b/2 T1 Mapping/1-1 Inversion Recovery/img/plot3.png
similarity index 100%
rename from 2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/img/plot3.png
rename to 2 T1 Mapping/1-1 Inversion Recovery/img/plot3.png
diff --git a/2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/img/plot4.png b/2 T1 Mapping/1-1 Inversion Recovery/img/plot4.png
similarity index 100%
rename from 2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/img/plot4.png
rename to 2 T1 Mapping/1-1 Inversion Recovery/img/plot4.png
diff --git a/2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/img/plot5.png b/2 T1 Mapping/1-1 Inversion Recovery/img/plot5.png
similarity index 100%
rename from 2 T1 Mapping/1-1 Inversion Recovery T1 Mapping/img/plot5.png
rename to 2 T1 Mapping/1-1 Inversion Recovery/img/plot5.png
diff --git a/2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/01-Introduction.md b/2 T1 Mapping/1-2 Variable Flip Angle/01-Introduction.md
similarity index 100%
rename from 2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/01-Introduction.md
rename to 2 T1 Mapping/1-2 Variable Flip Angle/01-Introduction.md
diff --git a/2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/02-VFA_SignalModelling.ipynb b/2 T1 Mapping/1-2 Variable Flip Angle/02-VFA_SignalModelling.ipynb
similarity index 100%
rename from 2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/02-VFA_SignalModelling.ipynb
rename to 2 T1 Mapping/1-2 Variable Flip Angle/02-VFA_SignalModelling.ipynb
diff --git a/2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/03-VFA_DataFitting.ipynb b/2 T1 Mapping/1-2 Variable Flip Angle/03-VFA_DataFitting.ipynb
similarity index 100%
rename from 2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/03-VFA_DataFitting.ipynb
rename to 2 T1 Mapping/1-2 Variable Flip Angle/03-VFA_DataFitting.ipynb
diff --git a/2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/04-VFA_BenefitsAndPitfalls.md b/2 T1 Mapping/1-2 Variable Flip Angle/04-VFA_BenefitsAndPitfalls.md
similarity index 100%
rename from 2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/04-VFA_BenefitsAndPitfalls.md
rename to 2 T1 Mapping/1-2 Variable Flip Angle/04-VFA_BenefitsAndPitfalls.md
diff --git a/2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/img/equation1.png b/2 T1 Mapping/1-2 Variable Flip Angle/img/equation1.png
similarity index 100%
rename from 2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/img/equation1.png
rename to 2 T1 Mapping/1-2 Variable Flip Angle/img/equation1.png
diff --git a/2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/img/equation2.png b/2 T1 Mapping/1-2 Variable Flip Angle/img/equation2.png
similarity index 100%
rename from 2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/img/equation2.png
rename to 2 T1 Mapping/1-2 Variable Flip Angle/img/equation2.png
diff --git a/2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/img/equation3.png b/2 T1 Mapping/1-2 Variable Flip Angle/img/equation3.png
similarity index 100%
rename from 2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/img/equation3.png
rename to 2 T1 Mapping/1-2 Variable Flip Angle/img/equation3.png
diff --git a/2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/img/equation4.png b/2 T1 Mapping/1-2 Variable Flip Angle/img/equation4.png
similarity index 100%
rename from 2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/img/equation4.png
rename to 2 T1 Mapping/1-2 Variable Flip Angle/img/equation4.png
diff --git a/2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/img/equation5.png b/2 T1 Mapping/1-2 Variable Flip Angle/img/equation5.png
similarity index 100%
rename from 2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/img/equation5.png
rename to 2 T1 Mapping/1-2 Variable Flip Angle/img/equation5.png
diff --git a/2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/img/equation6.png b/2 T1 Mapping/1-2 Variable Flip Angle/img/equation6.png
similarity index 100%
rename from 2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/img/equation6.png
rename to 2 T1 Mapping/1-2 Variable Flip Angle/img/equation6.png
diff --git a/2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/img/equations_all.svg b/2 T1 Mapping/1-2 Variable Flip Angle/img/equations_all.svg
similarity index 100%
rename from 2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/img/equations_all.svg
rename to 2 T1 Mapping/1-2 Variable Flip Angle/img/equations_all.svg
diff --git a/2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/img/plot1.png b/2 T1 Mapping/1-2 Variable Flip Angle/img/plot1.png
similarity index 100%
rename from 2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/img/plot1.png
rename to 2 T1 Mapping/1-2 Variable Flip Angle/img/plot1.png
diff --git a/2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/img/plot2.png b/2 T1 Mapping/1-2 Variable Flip Angle/img/plot2.png
similarity index 100%
rename from 2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/img/plot2.png
rename to 2 T1 Mapping/1-2 Variable Flip Angle/img/plot2.png
diff --git a/2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/img/plot3.png b/2 T1 Mapping/1-2 Variable Flip Angle/img/plot3.png
similarity index 100%
rename from 2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/img/plot3.png
rename to 2 T1 Mapping/1-2 Variable Flip Angle/img/plot3.png
diff --git a/2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/img/plot4.png b/2 T1 Mapping/1-2 Variable Flip Angle/img/plot4.png
similarity index 100%
rename from 2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/img/plot4.png
rename to 2 T1 Mapping/1-2 Variable Flip Angle/img/plot4.png
diff --git a/2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/img/plot5.png b/2 T1 Mapping/1-2 Variable Flip Angle/img/plot5.png
similarity index 100%
rename from 2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/img/plot5.png
rename to 2 T1 Mapping/1-2 Variable Flip Angle/img/plot5.png
diff --git a/2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/img/plot6.png b/2 T1 Mapping/1-2 Variable Flip Angle/img/plot6.png
similarity index 100%
rename from 2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/img/plot6.png
rename to 2 T1 Mapping/1-2 Variable Flip Angle/img/plot6.png
diff --git a/2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/img/vfa_pulsesequence.png b/2 T1 Mapping/1-2 Variable Flip Angle/img/vfa_pulsesequence.png
similarity index 100%
rename from 2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/img/vfa_pulsesequence.png
rename to 2 T1 Mapping/1-2 Variable Flip Angle/img/vfa_pulsesequence.png
diff --git a/2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/img/vfa_pulsesequence.svg b/2 T1 Mapping/1-2 Variable Flip Angle/img/vfa_pulsesequence.svg
similarity index 100%
rename from 2 T1 Mapping/1-2 Variable Flip Angle T1 Mapping/img/vfa_pulsesequence.svg
rename to 2 T1 Mapping/1-2 Variable Flip Angle/img/vfa_pulsesequence.svg
diff --git a/2 T1 Mapping/1-3 mp2rage T1 Mapping/01-Abstract.md b/2 T1 Mapping/1-3 MP2RAGE/01-Abstract.md
similarity index 100%
rename from 2 T1 Mapping/1-3 mp2rage T1 Mapping/01-Abstract.md
rename to 2 T1 Mapping/1-3 MP2RAGE/01-Abstract.md
diff --git a/2 T1 Mapping/1-3 mp2rage T1 Mapping/02-SignalModelling.md b/2 T1 Mapping/1-3 MP2RAGE/02-SignalModelling.md
similarity index 100%
rename from 2 T1 Mapping/1-3 mp2rage T1 Mapping/02-SignalModelling.md
rename to 2 T1 Mapping/1-3 MP2RAGE/02-SignalModelling.md
diff --git a/2 T1 Mapping/1-3 mp2rage T1 Mapping/03-DataFitting.md b/2 T1 Mapping/1-3 MP2RAGE/03-DataFitting.md
similarity index 100%
rename from 2 T1 Mapping/1-3 mp2rage T1 Mapping/03-DataFitting.md
rename to 2 T1 Mapping/1-3 MP2RAGE/03-DataFitting.md
diff --git a/2 T1 Mapping/1-3 mp2rage T1 Mapping/04-BenefitsAndPitfalls.md b/2 T1 Mapping/1-3 MP2RAGE/04-BenefitsAndPitfalls.md
similarity index 100%
rename from 2 T1 Mapping/1-3 mp2rage T1 Mapping/04-BenefitsAndPitfalls.md
rename to 2 T1 Mapping/1-3 MP2RAGE/04-BenefitsAndPitfalls.md
diff --git a/2 T1 Mapping/1-3 mp2rage T1 Mapping/img/equation1.png b/2 T1 Mapping/1-3 MP2RAGE/img/equation1.png
similarity index 100%
rename from 2 T1 Mapping/1-3 mp2rage T1 Mapping/img/equation1.png
rename to 2 T1 Mapping/1-3 MP2RAGE/img/equation1.png
diff --git a/2 T1 Mapping/1-3 mp2rage T1 Mapping/img/equation2.png b/2 T1 Mapping/1-3 MP2RAGE/img/equation2.png
similarity index 100%
rename from 2 T1 Mapping/1-3 mp2rage T1 Mapping/img/equation2.png
rename to 2 T1 Mapping/1-3 MP2RAGE/img/equation2.png
diff --git a/2 T1 Mapping/1-3 mp2rage T1 Mapping/img/equation3.png b/2 T1 Mapping/1-3 MP2RAGE/img/equation3.png
similarity index 100%
rename from 2 T1 Mapping/1-3 mp2rage T1 Mapping/img/equation3.png
rename to 2 T1 Mapping/1-3 MP2RAGE/img/equation3.png
diff --git a/2 T1 Mapping/1-3 mp2rage T1 Mapping/img/equation4.png b/2 T1 Mapping/1-3 MP2RAGE/img/equation4.png
similarity index 100%
rename from 2 T1 Mapping/1-3 mp2rage T1 Mapping/img/equation4.png
rename to 2 T1 Mapping/1-3 MP2RAGE/img/equation4.png
diff --git a/2 T1 Mapping/1-3 mp2rage T1 Mapping/img/equation5.png b/2 T1 Mapping/1-3 MP2RAGE/img/equation5.png
similarity index 100%
rename from 2 T1 Mapping/1-3 mp2rage T1 Mapping/img/equation5.png
rename to 2 T1 Mapping/1-3 MP2RAGE/img/equation5.png
diff --git a/2 T1 Mapping/1-3 mp2rage T1 Mapping/img/equation6.png b/2 T1 Mapping/1-3 MP2RAGE/img/equation6.png
similarity index 100%
rename from 2 T1 Mapping/1-3 mp2rage T1 Mapping/img/equation6.png
rename to 2 T1 Mapping/1-3 MP2RAGE/img/equation6.png
diff --git a/2 T1 Mapping/1-3 mp2rage T1 Mapping/img/mp2rage_pulsesequence.png b/2 T1 Mapping/1-3 MP2RAGE/img/mp2rage_pulsesequence.png
similarity index 100%
rename from 2 T1 Mapping/1-3 mp2rage T1 Mapping/img/mp2rage_pulsesequence.png
rename to 2 T1 Mapping/1-3 MP2RAGE/img/mp2rage_pulsesequence.png
diff --git a/2 T1 Mapping/1-3 mp2rage T1 Mapping/img/mp2rage_pulsesequence.svg b/2 T1 Mapping/1-3 MP2RAGE/img/mp2rage_pulsesequence.svg
similarity index 100%
rename from 2 T1 Mapping/1-3 mp2rage T1 Mapping/img/mp2rage_pulsesequence.svg
rename to 2 T1 Mapping/1-3 MP2RAGE/img/mp2rage_pulsesequence.svg
diff --git a/2 T1 Mapping/1-3 mp2rage T1 Mapping/img/plot1.png b/2 T1 Mapping/1-3 MP2RAGE/img/plot1.png
similarity index 100%
rename from 2 T1 Mapping/1-3 mp2rage T1 Mapping/img/plot1.png
rename to 2 T1 Mapping/1-3 MP2RAGE/img/plot1.png
diff --git a/2 T1 Mapping/1-3 mp2rage T1 Mapping/img/plot2.png b/2 T1 Mapping/1-3 MP2RAGE/img/plot2.png
similarity index 100%
rename from 2 T1 Mapping/1-3 mp2rage T1 Mapping/img/plot2.png
rename to 2 T1 Mapping/1-3 MP2RAGE/img/plot2.png