Fixed comment typo, wrapped return value conditional on var assignment in session{}

apps/files_encryption/lib/session.php

@@ -70,12 +70,14 @@ class Session {
 	 */
 	public function setLegacyKey( $legacyKey ) {
 	
-		$_SESSION['legacyKey'] = $legacyKey;
+		if ( $_SESSION['legacyKey'] = $legacyKey ) {
 		
 			return true;
 			
 		}
 		
+	}
+	
 	/**
 	 * @brief Gets user legacy key from session
 	 * @returns string $legacyKey The user's plaintext legacy key

apps/files_encryption/lib/stream.php

@@ -347,7 +347,7 @@ class Stream {
 // 		
 // 		// Make sure we always start on a block start
 		if ( 0 != ( $pointer % 8192 ) ) { 
-		// if the current positoin of 
+		// if the current position of 
 		// file indicator is not aligned to a 8192 byte block, fix it 
 		// so that it is