diff --git a/doc/json-signing.txt b/doc/json-signing.txt
index 006bf83e8..29ada987c 100644
--- a/doc/json-signing.txt
+++ b/doc/json-signing.txt
@@ -72,7 +72,7 @@ SIGNING
    we'll call this data structure 'O'.
 
 -- serialize it with whatever JSON serialization library you have
-   available.  internal or traliing whitespace doesn't matter.  we'll
+   available.  internal or trailing whitespace doesn't matter.  we'll
    call the JSON serialization of 'O' (defined in earlier step) 'J'
    (e.g. doc/examples/signing-before.camli)
 
diff --git a/doc/overview.txt b/doc/overview.txt
index 6df5c6848..6852e9cee 100644
--- a/doc/overview.txt
+++ b/doc/overview.txt
@@ -77,7 +77,7 @@ Schema of files/objects in Layer 1:
   Instead, a camli JSON object is known as such if the bytes of the file
   begin exactly with the bytes:
 
-        {"camliVerison"
+        {"camliVersion"
 
   ... which lets upper layers know what it is, and how to index it.
 
@@ -95,7 +95,7 @@ Schema of files/objects in Layer 1:
   -- signed statements/claims on other objects
      (think decentralized commenting/starring on the web,
       verifying claims with webfinger lookups to find
-      public keys to veirfy signatures)
+      public keys to verify signatures)
   -- references to encrypted/split files
   -- etc... (extensible over time)
 
diff --git a/doc/spec.txt b/doc/spec.txt
index f5c75a3c9..0208000e3 100644
--- a/doc/spec.txt
+++ b/doc/spec.txt
@@ -5,7 +5,7 @@ Camli Blob Magic
 [Note: not totally happy with this yet...]
 Ideal Camli JSON blobs should begin with the following 15 bytes:
 
-        {"camliVerison"
+        {"camliVersion"
 
 However, it's acknowledged that some JSON serialization libraries will
 format things differently, so additional whitespace should be
diff --git a/doc/terminology.txt b/doc/terminology.txt
index 065d6c0ce..1c0ef5413 100644
--- a/doc/terminology.txt
+++ b/doc/terminology.txt
@@ -18,7 +18,7 @@ Object / Camli Object: a data structure consisting of keys/values
   or arrays of values.  In Camli, these are serialized as JSON
   everywhere.
 
-Object Blob / Camli Blob: the JSON serialation of a Camli Object.
+Object Blob / Camli Blob: the JSON serialization of a Camli Object.
   This is just a normal JSON serialization (with any JSON
   serialization library that's available), with the extra requirement
   that the serialization must start with the 16 bytes:
@@ -30,7 +30,8 @@ Object Blob / Camli Blob: the JSON serialation of a Camli Object.
   JSON serialization libraries [sanely] won't let you specify the
   order of keys in a dictionary, the camli serialization libraries
   will wrap the JSON serialization libraries and replace the leading
-  '{' character with the above magic number.
+  '{' character with the above magic number (plus a version number
+  and comma).
 
 Object Origin: for objects intended to be mutated over time
   (e.g. annotating and renaming a photo, commenting on an item,