diff --git a/TUTORIAL.org b/TUTORIAL.org
index c3f2282..823b1a7 100644
--- a/TUTORIAL.org
+++ b/TUTORIAL.org
@@ -254,7 +254,7 @@ No, it's better to be able to have a separate type:
 
 Now we can distinguish the two.
 
-We can make as many Record types as our program need, though it is up
+We can make as many Record types as our program needs, though it is up
 to our program to make sense of what these mean.
 Since Preserves does not specify the =Date= itself, both the program
 (or person) writing the Preserves document and the program reading it
@@ -285,7 +285,7 @@ The link here points to a more precise term saying that "this is a
 note meant to be sent around in social networks".
 It is considerably more precise than just using the string or symbol
 "Note", which could be ambiguous.
-(A social networking note?  A footnote?  A music note?
+(A social networking note?  A footnote?  A music note?)
 While not all systems need this, this (partial) example hints at how
 Preserves can also be used to coordinate meaning in larger, more
 decentralized systems.
@@ -346,7 +346,7 @@ We have previously shown them used as comments:
 "I am not a comment, I am data!"
 #+END_SRC
 
-Annotations annotate the values the precede.
+Annotations annotate the values they precede.
 It is possible to have multiple annotations on a value.
 
 #+BEGIN_SRC preserves