md syntax correction

README.md

 
 Installation instruction for cutelog
 
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 # Install
 
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 ## Create Virtualenv
 virtualenv venv
 
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 ## Install Cutelog
-source venv/bin/activate
-pip install -r requirements.txt
+source venv/bin/activate  
+pip install -r requirements.txt  
 deactivate
 
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 # Open Cutelog
 venv/bin/cutelog
 
 
 # Upgrade
-source venv/bin/activate
-pip install -U -r requirements.txt
+source venv/bin/activate  
+pip install -U -r requirements.txt  
 deactivate
+