Fixed spelling errors (wan't -> want)

Upgrading-from-ZeroBin-0.19-Alpha.md

@@ -14,7 +14,7 @@ This upgrade guide is intended for installations of ZeroBin version 0.19 Alpha a
 
 5. Remove all files from your document root folder, except for the `data` directory. It contains the pastes, their discussions, the server salt (used to create valid deletion links) and the traffic limiter rules.
 
-6. If you wan't to keep the current traffic limiter rules, rename "data/tra**f**ic_limiter.php" into "data/tra**ff**ic_limiter.php".
+6. If you want to keep the current traffic limiter rules, rename "data/tra**f**ic_limiter.php" into "data/tra**ff**ic_limiter.php".
 
 7. Upload the contents of the archive you downloaded in "Preparations" step 3. into your document root.
 
@@ -26,7 +26,7 @@ This upgrade guide is intended for installations of ZeroBin version 0.19 Alpha a
 
   3. _Optional:_ If you prefer to use the classic ZeroBin design instead of the new bootstrap-based one, change the setting `template` to "page" and uncomment the `syntaxhighlightingtheme` setting.
 
-  4. _Optional:_ You might not wan't to enable all the new features by default. Review and change any other configuration options to your liking. Detailed descriptions of the options can be found in the [configuration guide](Configuration). Note that there is currently not yet a way to migrate a data folder based installation into a database one.
+  4. _Optional:_ You might not want to enable all the new features by default. Review and change any other configuration options to your liking. Detailed descriptions of the options can be found in the [configuration guide](Configuration). Note that there is currently not yet a way to migrate a data folder based installation into a database one.
 
 ## Conclusion