diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -8,14 +8,14 @@ We will go through the process of developing a secure application that:
 - provides ethical terms and conditions of use
 
 ## Weekly breakdown of the semester project:
-- [A: Basic File Store API](descriptions/a_filestore_api.md)
-- [B: Relational Databases and API Testing](descriptions/b_db_testing.md)
-- [C: Database Hardening: DB Vulnerabilities and Encryption](descriptions/c_db_hardening.md)
-- [D: Secure User Accounts: Passwords and Associations](descriptions/d_secure_accounts.md)
-- [E: Deployed API + Interface Client](descriptions/e_interface_client.md)
-- [F: Token Based Authentication](descriptions/f_token_authentication.md)
-- [G: Form Validation and SSL Enforcement](descriptions/g_validation_ssl.md)
-- [H: Token Based Authorization](descriptions/h_token_authorization.md)
-- [I: OAuth Protocol and Single-Table Inheritance](descriptions/i_oauth_protocol.md)
-- [J: Signed Apps and XSS Prevention](descriptions/j_distributed_security.md)
-- [K: Final Presentations](descriptions/k_final_presentation.md)
+- [A: Basic File Store API](descriptions/010_filestore_api.md)
+- [B: Relational Databases and API Testing](descriptions/020_db_testing.md)
+- [C: Database Hardening: DB Vulnerabilities and Encryption](descriptions/030_db_hardening.md)
+- [D: Secure User Accounts: Passwords and Associations](descriptions/040_secure_accounts.md)
+- [E: Deployed API + Interface Client](descriptions/050_interface_client.md)
+- [F: Token Based Authentication](descriptions/060_token_authentication.md)
+- [G: Form Validation and SSL Enforcement](descriptions/070_validation_ssl.md)
+- [H: Token Based Authorization](descriptions/080_token_authorization.md)
+- [I: OAuth Protocol and Single-Table Inheritance](descriptions/090_oauth_protocol.md)
+- [J: Signed Apps and XSS Prevention](descriptions/100_distributed_security.md)
+- [K: Final Presentations](descriptions/110_final_presentation.md)
diff --git a/descriptions/a_filestore_api.md b/descriptions/010_filestore_api.md
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diff --git a/descriptions/b_db_testing.md b/descriptions/020_db_testing.md
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diff --git a/descriptions/c_db_hardening.md b/descriptions/030_db_hardening.md
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diff --git a/descriptions/d_secure_accounts.md b/descriptions/040_secure_accounts.md
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diff --git a/descriptions/e_interface_client.md b/descriptions/050_interface_client.md
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diff --git a/descriptions/f_token_authentication.md b/descriptions/060_token_authentication.md
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diff --git a/descriptions/g_validation_ssl.md b/descriptions/070_validation_ssl.md
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diff --git a/descriptions/h_token_authorization.md b/descriptions/080_token_authorization.md
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diff --git a/descriptions/i_oauth_protocol.md b/descriptions/090_oauth_protocol.md
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diff --git a/descriptions/j_distributed_security.md b/descriptions/100_distributed_security.md
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diff --git a/descriptions/k_final_presentation.md b/descriptions/110_final_presentation.md
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