diff --git a/examples/constants.cr b/examples/constants.cr
index f27f6c7..099f980 100644
--- a/examples/constants.cr
+++ b/examples/constants.cr
@@ -2,27 +2,42 @@ require "../src/sodium"
 
 # Print most constant values.
 
+{% for name in %w(KEY_SIZE SEED_SIZE SEAL_SIZE) %}
+  puts "Sodium::CryptoBox::SecretKey::{{ name.id }} #{Sodium::CryptoBox::SecretKey::{{ name.id }}}"
+{% end %}
+puts ""
+
+{% for name in %w(KEY_SIZE SEED_SIZE SIG_SIZE) %}
+  puts "Sodium::Sign::SecretKey::{{ name.id }} #{Sodium::Sign::SecretKey::{{ name.id }}}"
+{% end %}
+puts ""
+
+{% for name in %w(KEY_SIZE NONCE_SIZE MAC_SIZE) %}
+  puts "Sodium::SecretBox::{{ name.id }} #{Sodium::SecretBox::{{ name.id }}}"
+{% end %}
+puts ""
+
+{% for name in %w(OPSLIMIT_MIN OPSLIMIT_INTERACTIVE OPSLIMIT_MODERATE OPSLIMIT_SENSITIVE OPSLIMIT_MAX) %}
+  puts "Sodium::Pwhash::{{ name.id }} #{Sodium::Pwhash::{{ name.id }}}"
+{% end %}
+puts ""
+
+{% for name in %w(MEMLIMIT_MIN MEMLIMIT_INTERACTIVE MEMLIMIT_MAX) %}
+  puts "Sodium::Pwhash::{{ name.id }} #{Sodium::Pwhash::{{ name.id }}}"
+{% end %}
+puts ""
+
+{% for name in %w(SALT_SIZE STR_SIZE) %}
+  puts "Sodium::Pwhash::{{ name.id }} #{Sodium::Pwhash::{{ name.id }}}"
+{% end %}
+puts ""
+
+{% for name in %w(KEY_SIZE CONTEXT_SIZE) %}
+  puts "Sodium::Kdf::{{ name.id }} #{Sodium::Kdf::{{ name.id }}}"
+{% end %}
+puts ""
+
 {% for name in %w(KEY_SIZE KEY_SIZE_MIN KEY_SIZE_MAX SALT_SIZE PERSONAL_SIZE OUT_SIZE OUT_SIZE_MIN OUT_SIZE_MAX) %}
   puts "Sodium::Digest::Blake2b::{{ name.id }} #{Sodium::Digest::Blake2b::{{ name.id }}}"
 {% end %}
 puts ""
-
-{% for name in %w(OPSLIMIT_MIN OPSLIMIT_INTERACTIVE OPSLIMIT_MODERATE OPSLIMIT_SENSITIVE OPSLIMIT_MAX) %}
-  puts "Sodium::Digest::Pwhash::{{ name.id }} #{Sodium::Pwhash::{{ name.id }}}"
-{% end %}
-puts ""
-
-{% for name in %w(MEMLIMIT_MIN MEMLIMIT_INTERACTIVE MEMLIMIT_MAX) %}
-  puts "Sodium::Digest::Pwhash::{{ name.id }} #{Sodium::Pwhash::{{ name.id }}}"
-{% end %}
-puts ""
-
-{% for name in %w(STR_SIZE) %}
-  puts "Sodium::Digest::Pwhash::{{ name.id }} #{Sodium::Pwhash::{{ name.id }}}"
-{% end %}
-puts ""
-
-{% for name in %w(KEY_SIZE CONTEXT_SIZE) %}
-  puts "Sodium::Digest::Kdf::{{ name.id }} #{Sodium::Kdf::{{ name.id }}}"
-{% end %}
-puts ""