diff --git a/resemblejs/resemblejs.d.ts b/resemblejs/resemblejs.d.ts
index 7ebb90bb7..7b1801ad3 100644
--- a/resemblejs/resemblejs.d.ts
+++ b/resemblejs/resemblejs.d.ts
@@ -5,7 +5,14 @@
 
 declare namespace Resemble {
   interface ResembleStatic {
+    /**
+     * Retrieve basic analysis for a single image (add compareTo to compare with another).
+     */
     (image: string|ImageData): ResembleAnalysis;
+
+    /**
+     * Set the resemblance image output style
+     */
     outputSettings(settings: OutputSettings): ResembleStatic;
   }
 
@@ -21,7 +28,14 @@ declare namespace Resemble {
   }
 
   interface ResembleAnalysis {
+    /**
+     * Run the analysis on this image and get the result
+     */
     onComplete(callback: (result: ResembleAnalysisResult) => void): void;
+
+    /**
+     * Compare this image to another image, to get resemblance data
+     */
     compareTo(fileData: string|ImageData): ResembleComparison;
   }
 
@@ -33,6 +47,9 @@ declare namespace Resemble {
   }
 
   interface ResembleComparison {
+    /**
+     * Run the analysis and get the comparison result
+     */
     onComplete(callback: (result: ResembleComparisonResult) => void): void;
 
     ignoreNothing(): ResembleComparison;
@@ -43,15 +60,29 @@ declare namespace Resemble {
   }
 
   interface ResembleComparisonResult {
+    /**
+     * Do the two images have the same dimensions?
+     */
     isSameDimensions: boolean;
+
+    /**
+     * The difference in width and height between the dimensions of the two compared images
+     */
     dimensionDifference: {
       width: number;
       height: number;
     };
 
+    /**
+     * Get a data URL for the comparison image
+     */
     getImageDataUrl(): string;
 
+    /**
+     * The percentage of pixels which do not match between the images
+     */
     misMatchPercentage: number;
+
     diffBounds: {
       top: number;
       left: number;