diff --git a/_posts/2017-04-30-powershell.md b/_posts/2017-04-30-powershell.md
index 8c1e3cb..1b49871 100644
--- a/_posts/2017-04-30-powershell.md
+++ b/_posts/2017-04-30-powershell.md
@@ -2,8 +2,8 @@
 title: PowerShell
 code: 
   - 0.1 + 0.2
-  - 0.1 + 0.2 -eq 0.3
-  - [decimal]0.1 + [decimal]0.2 -eq [decimal]0.3
+  - "0.1 + 0.2 -eq 0.3"
+  - "[decimal]0.1 + [decimal]0.2 -eq [decimal]0.3"
   - 0.1d + 0.2d -eq 0.3d
 result: 
   - 0.3