Fix hash (case-sensitive)

Author: fritx

source/api/directives.md

@@ -214,18 +214,18 @@ For details, see [the guide](/guide/transitions.html#JavaScript_Functions).
 
 Notify Vue.js to apply transition CSS classes to this element. The transition classes are applied when certain transition-triggering directives modify the element, or when the ViewModel's DOM manipulation methods are called.
 
-For details, see [the guide](/guide/transitions.html#Css_Transitions).
+For details, see [the guide](/guide/transitions.html#CSS_Transitions).
 
 ### v-animation
 
 Notify Vue.js to apply animation CSS classes to this element. The order of CSS class application is different from `v-transition`.
 
-For details, see [the guide](/guide/transitions.html#Css_Animations).
+For details, see [the guide](/guide/transitions.html#CSS_Animations).
 
 ### v-pre
 
 Skip compilation for this element and all its children. Skipping large numbers of nodes with no directives on them can speed up compilation.
 
 ### v-cloak
 
-This property remains on the element until the associated ViewModel finishes compilation. Combined with CSS rules such as `[v-cloak] { display: none }`, this directive can be used to hide un-compiled mustache bindings until the ViewModel is ready.
+This property remains on the element until the associated ViewModel finishes compilation. Combined with CSS rules such as `[v-cloak] { display: none }`, this directive can be used to hide un-compiled mustache bindings until the ViewModel is ready.