diff --git a/build.gradle.kts b/build.gradle.kts
index 1826a2e7e..86394d792 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -29,12 +29,13 @@ subprojects {
 
             dokkaSourceSets.all {
                 val readmeFile = File(this@subprojects.projectDir, "README.md")
-                if (readmeFile.exists()) includes.setFrom(includes + readmeFile.absolutePath)
+                if (readmeFile.exists()) includes.from(readmeFile.absolutePath)
                 externalDocumentationLink("http://ejml.org/javadoc/")
                 externalDocumentationLink("https://commons.apache.org/proper/commons-math/javadocs/api-3.6.1/")
                 externalDocumentationLink("https://deeplearning4j.org/api/latest/")
                 externalDocumentationLink("https://axelclk.bitbucket.io/symja/javadoc/")
                 externalDocumentationLink("https://kotlin.github.io/kotlinx.coroutines/kotlinx-coroutines-core/")
+                externalDocumentationLink("https://breandan.net/kotlingrad/kotlingrad/", "https://breandan.net/kotlingrad/kotlingrad/kotlingrad/package-list")
             }
         }
     }
diff --git a/gradle.properties b/gradle.properties
index 7e9516660..3aaade368 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -9,5 +9,5 @@ kotlin.mpp.stability.nowarn=true
 kotlin.native.enableDependencyPropagation=false
 kotlin.parallel.tasks.in.project=true
 org.gradle.configureondemand=true
-org.gradle.jvmargs=-XX:MaxMetaspaceSize=1G
+org.gradle.jvmargs=-XX:MaxMetaspaceSize=2G
 org.gradle.parallel=true