diff --git a/MathRenderer.php b/MathRenderer.php
index 651d244..7139da0 100644
--- a/MathRenderer.php
+++ b/MathRenderer.php
@@ -99,7 +99,7 @@ abstract class MathRenderer {
 
 	/**
 	 *
-	 * @param type $md5
+	 * @param string $md5
 	 * @return MathRenderer the MathRenderer generated from md5
 	 */
 	public static function newFromMd5( $md5 ) {
@@ -652,7 +652,7 @@ abstract class MathRenderer {
 	}
 
 	/**
-	 * @return string Userdefined ID
+	 * @param string user defined ID
 	 */
 	public function setID( $id ) {
 		// Changes in the ID affect the container for the math element on the current page
diff --git a/SpecialMathShowImage.php b/SpecialMathShowImage.php
index 5e70590..7b5fda1 100644
--- a/SpecialMathShowImage.php
+++ b/SpecialMathShowImage.php
@@ -16,8 +16,10 @@ class SpecialMathShowImage extends SpecialPage {
 			false // Don't show on Special:SpecialPages - it's not useful interactively
 		);
 	}
+
 	/**
 	 * Sets headers - this should be called from the execute() method of all derived classes!
+	 * @param bool $success
 	 */
 	function setHeaders( $success = true ) {
 		$out = $this->getOutput();