diff --git a/pgp-cert-d-java-jdbc-sqlite-lookup/build.gradle b/pgp-cert-d-java-jdbc-sqlite-lookup/build.gradle
index 02c9cc5..8dfc516 100644
--- a/pgp-cert-d-java-jdbc-sqlite-lookup/build.gradle
+++ b/pgp-cert-d-java-jdbc-sqlite-lookup/build.gradle
@@ -13,6 +13,7 @@ repositories {
 }
 
 dependencies {
+    // JUnit for testing
     testImplementation "org.junit.jupiter:junit-jupiter-api:$junitVersion"
     testImplementation "org.junit.jupiter:junit-jupiter-params:$junitVersion"
     testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine:$junitVersion"
@@ -20,7 +21,10 @@ dependencies {
     // Logging
     testImplementation "ch.qos.logback:logback-classic:$logbackVersion"
 
+    // pgp.cert.d cert store
     implementation project(":pgp-cert-d-java")
+
+    // SQLite
     api "org.xerial:sqlite-jdbc:$sqliteJdbcVersion"
 }
 
diff --git a/pgp-cert-d-java/build.gradle b/pgp-cert-d-java/build.gradle
index baca518..db5ba5c 100644
--- a/pgp-cert-d-java/build.gradle
+++ b/pgp-cert-d-java/build.gradle
@@ -15,9 +15,10 @@ repositories {
 apply plugin: 'ru.vyarus.animalsniffer'
 
 dependencies {
-    // animal sniffer
+    // animal sniffer for ensuring Android API compatibility
     signature "net.sf.androidscents.signature:android-api-level-${minAndroidSdk}:2.3.3_r2@signature"
 
+    // JUnit
     testImplementation "org.junit.jupiter:junit-jupiter-api:$junitVersion"
     testImplementation "org.junit.jupiter:junit-jupiter-params:$junitVersion"
     testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine:$junitVersion"
@@ -25,8 +26,10 @@ dependencies {
     // Logging
     testImplementation "ch.qos.logback:logback-classic:$logbackVersion"
 
+    // SQL Subkey table
     testImplementation project(":pgp-cert-d-java-jdbc-sqlite-lookup")
 
+    // Certificate store
     api project(":pgp-certificate-store")
 }
 
diff --git a/pgp-certificate-store/build.gradle b/pgp-certificate-store/build.gradle
index 3bafe81..f2d7d7a 100644
--- a/pgp-certificate-store/build.gradle
+++ b/pgp-certificate-store/build.gradle
@@ -15,9 +15,10 @@ repositories {
 apply plugin: 'ru.vyarus.animalsniffer'
 
 dependencies {
-    // animal sniffer
+    // animal sniffer for ensuring Android API compatibility
     signature "net.sf.androidscents.signature:android-api-level-${minAndroidSdk}:2.3.3_r2@signature"
 
+    // JUnit for testing
     testImplementation "org.junit.jupiter:junit-jupiter-api:$junitVersion"
     testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine:$junitVersion"