docs: Improve `GRAPH_QUERY_CACHE_MAX_MEM` docs
@@ -67,9 +67,9 @@ those.
in the query cache. This should be kept small since the lookup time and the
cache memory usage are proportional to this value. Set to 0 to disable the cache.
Defaults to 1.
-- `GRAPH_QUERY_CACHE_MAX_MEM`: Maximum total memory to be used by the query cache.
+- `GRAPH_QUERY_CACHE_MAX_MEM`: Maximum total memory to be used by the query cache, in MB.
The default is plenty for most loads, particularly if `GRAPH_QUERY_CACHE_BLOCKS` is kept small.
- Defaults to 1GB.
+ Defaults to 1000, which corresponds to 1GB.
## GraphQL
