Address review: fix spelling

Co-authored-by: Parikshit Bajpai <[email protected]>

framework/doc/content/source/utils/ValueCache.md

@@ -10,7 +10,7 @@ When the object is constructed using the
 ValueCache(const std::string & file_name, std::size_t in_dim, std::size_t max_leaf_size = 10);
 ```
 
-constructor, the state of the cache is saved to a file upon destruction of the cache object (usually at the ond of a simulation), and read in at construction of the cache object. Thus the cached knowledge from a previous simulation will be available in future runs.
+constructor, the state of the cache is saved to a file upon destruction of the cache object (usually at the end of a simulation), and read in at construction of the cache object. Thus the cached knowledge from a previous simulation will be available in future runs.
 
 !alert warning
 It is up to the developer to ensure that the cache state from previous runs is applicable to the following runs when the persistence feature is used!