Minor: specify measure in bytes

source/faq/storage.txt

@@ -205,10 +205,10 @@ The following example issues :method:`db.collection.stats()` for the
 
 To view specific measures of size, use these methods:
 
-- :method:`db.collection.dataSize()`: data size for the collection.
-- :method:`db.collection.storageSize()`: allocation size, including unused space.
-- :method:`db.collection.totalSize()`: the data size plus the index size.
-- :method:`db.collection.totalIndexSize()`: the index size.
+- :method:`db.collection.dataSize()`: data size in bytes for the collection.
+- :method:`db.collection.storageSize()`: allocation size in bytes, including unused space.
+- :method:`db.collection.totalSize()`: the data size plus the index size in bytes.
+- :method:`db.collection.totalIndexSize()`: the index size in bytes.
 
 Also, the following scripts print the statistics for each database and
 collection:

source/includes/ref-toc-method-collection.yaml

@@ -104,7 +104,7 @@ description: "Reports on the state of a collection. Provides a wrapper around th
 ---
 name: ":method:`db.collection.storageSize()`"
 file: /reference/method/db.collection.storageSize
-description: "Reports the total size used by the collection. Provides a wrapper around the :data:`~collStats.storageSize` field of the :dbcommand:`collStats` output."
+description: "Reports the total size used by the collection in bytes. Provides a wrapper around the :data:`~collStats.storageSize` field of the :dbcommand:`collStats` output."
 ---
 name: ":method:`db.collection.totalSize()`"
 file: /reference/method/db.collection.totalSize
@@ -121,4 +121,4 @@ description: "Modifies a document in a collection."
 name: ":method:`db.collection.validate()`"
 file: /reference/method/db.collection.validate
 description: "Performs diagnostic operations on a collection."
-...
+...

source/reference/command/collStats.txt

@@ -31,10 +31,10 @@ Definition
               "count" : 9,                    // number of documents
               "size" : 432,                   // collection size in bytes
               "avgObjSize" : 48,              // average object size in bytes
-              "storageSize" : 3840,           // (pre)allocated space for the collection
+              "storageSize" : 3840,           // (pre)allocated space for the collection in bytes
               "numExtents" : 1,               // number of extents (contiguously allocated chunks of datafile space)
               "nindexes" : 2,                 // number of indexes
-              "lastExtentSize" : 3840,        // size of the most recently created extent
+              "lastExtentSize" : 3840,        // size of the most recently created extent in bytes
               "paddingFactor" : 1,            // padding can speed up updates if documents grow
               "flags" : 1,
               "totalIndexSize" : 16384,       // total index size in bytes