diff --git a/ivy/src/main/scala/sbt/IvyInterface.scala b/ivy/src/main/scala/sbt/IvyInterface.scala
index 159c53b7a..bd05f56c9 100644
--- a/ivy/src/main/scala/sbt/IvyInterface.scala
+++ b/ivy/src/main/scala/sbt/IvyInterface.scala
@@ -24,28 +24,78 @@ final case class ModuleID(organization: String, name: String, revision: String,
 
 	@deprecated("Use `cross(CrossVersion)`, the variant accepting a CrossVersion value constructed by a member of the CrossVersion object instead.", "0.12.0")
 	def cross(v: Boolean): ModuleID = cross(if(v) CrossVersion.binary else CrossVersion.Disabled)
+
 	@deprecated("Use `cross(CrossVersion)`, the variant accepting a CrossVersion value constructed by a member of the CrossVersion object instead.", "0.12.0")
 	def cross(v: Boolean, verRemap: String => String): ModuleID = cross(if(v) CrossVersion.binaryMapped(verRemap) else CrossVersion.Disabled)
 
+	/** Specifies the cross-version behavior for this module.  See [CrossVersion] for details.*/
 	def cross(v: CrossVersion): ModuleID = copy(crossVersion = v)
 
 	// () required for chaining
+	/** Do not follow dependencies of this module.  Synonym for `intransitive`.*/
 	def notTransitive() = intransitive()
+
+	/** Do not follow dependencies of this module.  Synonym for `notTransitive`.*/
 	def intransitive() = copy(isTransitive = false)
+
+	/** Marks this dependency as "changing".  Ivy will always check if the metadata has changed and then if the artifact has changed,
+	* redownload it.  sbt configures all -SNAPSHOT dependencies to be changing.
+	*
+	* See the "Changes in artifacts" section of https://ant.apache.org/ivy/history/trunk/concept.html for full details.
+	* */
 	def changing() = copy(isChanging = true)
+
+	/** Indicates that conflict resolution should only select this module's revision.
+	* This prevents a newer revision from being pulled in by a transitive dependency, for example.*/
 	def force() = copy(isForce = true)
+
+	/** Specifies a URL from which the main artifact for this dependency can be downloaded.
+	* This value is only consulted if the module is not found in a repository.
+	* It is not included in published metadata.*/
 	def from(url: String) = artifacts(Artifact(name, new URL(url)))
+
+	/** Adds a dependency on the artifact for this module with classifier `c`. */
 	def classifier(c: String) = artifacts(Artifact(name, c))
+
+	/** Declares the explicit artifacts for this module.  If this ModuleID represents a dependency,
+	* these artifact definitions override the information in the dependency's published metadata. */
 	def artifacts(newArtifacts: Artifact*) = copy(explicitArtifacts = newArtifacts ++ this.explicitArtifacts)
+
+	/** Applies the provided exclusions to dependencies of this module.  Note that only exclusions that specify
+	* both the exact organization and name and nothing else will be included in a pom.xml.*/
 	def excludeAll(rules: ExclusionRule*) = copy(exclusions = this.exclusions ++ rules)
+
+	/** Excludes the dependency with organization `org` and `name` from being introduced by this dependency during resolution. */
 	def exclude(org: String, name: String) = excludeAll(ExclusionRule(org, name))
+
 	def extra(attributes: (String,String)*) = copy(extraAttributes = this.extraAttributes ++ ModuleID.checkE(attributes))
+
+	/** Not recommended for new use.  This method is not deprecated, but the `update-classifiers` task is preferred
+	* for performance and correctness.  This method adds a dependency on this module's artifact with the "sources"
+	* classifier.  If you want to also depend on the main artifact, be sure to also call `jar()` or use `withSources()` instead.*/
 	def sources() = artifacts(Artifact.sources(name))
+
+	/** Not recommended for new use.  This method is not deprecated, but the `update-classifiers` task is preferred
+	* for performance and correctness.  This method adds a dependency on this module's artifact with the "javadoc"
+	* classifier.  If you want to also depend on the main artifact, be sure to also call `jar()` or use `withJavadoc()` instead.*/
 	def javadoc() = artifacts(Artifact.javadoc(name))
+
 	def pomOnly() = artifacts(Artifact.pom(name))
+
+	/** Not recommended for new use.  This method is not deprecated, but the `update-classifiers` task is preferred
+	* for performance and correctness.  This method adds a dependency on this module's artifact with the "sources"
+	* classifier.  If there is not already an explicit dependency on the main artifact, this adds one.*/
 	def withSources() = jarIfEmpty.sources()
+
+	/** Not recommended for new use.  This method is not deprecated, but the `update-classifiers` task is preferred
+	* for performance and correctness.  This method adds a dependency on this module's artifact with the "javadoc"
+	* classifier.  If there is not already an explicit dependency on the main artifact, this adds one.*/
 	def withJavadoc() = jarIfEmpty.javadoc()
+
 	private def jarIfEmpty = if(explicitArtifacts.isEmpty) jar() else this
+
+	/** Declares a dependency on the main artifact.  This is implied by default unless artifacts are explicitly declared, such
+	* as when adding a dependency on an artifact with a classifier.*/
 	def jar() = artifacts(Artifact(name))
 }
 object ModuleID