diff --git a/.github/workflows/build_emscripten.yml b/.github/workflows/build_emscripten.yml
index 1b36960a7..4edb75a7e 100644
--- a/.github/workflows/build_emscripten.yml
+++ b/.github/workflows/build_emscripten.yml
@@ -33,7 +33,9 @@ jobs:
         run: emcc -v
 
       - name: Install Packages
-        run: sudo apt-get install -y libgl1-mesa-dev mesa-common-dev libsdl2-dev libglm-dev llvm-dev ninja-build
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libgl1-mesa-dev mesa-common-dev libsdl2-dev libglm-dev llvm-dev ninja-build
 
       - name: Build GoogleTest From Source
         run: |
diff --git a/.github/workflows/build_linux.yml b/.github/workflows/build_linux.yml
index 76c304ca8..350578699 100644
--- a/.github/workflows/build_linux.yml
+++ b/.github/workflows/build_linux.yml
@@ -20,7 +20,9 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Install Packages
-        run: sudo apt-get install -y libgl1-mesa-dev mesa-common-dev libsdl2-dev libglm-dev llvm-dev libgtest-dev libgmock-dev ninja-build
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libgl1-mesa-dev mesa-common-dev libsdl2-dev libglm-dev llvm-dev libgtest-dev libgmock-dev ninja-build
 
       - name: Configure Build
         run: cmake -G "Ninja Multi-Config" -S "${{ github.workspace }}" -B "${{ github.workspace }}/cmake-build" -DCMAKE_INSTALL_PREFIX="${{ github.workspace }}/install" -DCMAKE_VERBOSE_MAKEFILE=YES -DBUILD_TESTING=YES
diff --git a/src/api/include/libprojectM/projectM.h b/src/api/include/libprojectM/projectM.h
index d1b2534e6..8b688738d 100644
--- a/src/api/include/libprojectM/projectM.h
+++ b/src/api/include/libprojectM/projectM.h
@@ -1,4 +1,6 @@
-/*
+/**
+ * @file projectM.h
+ *
  * projectM -- Milkdrop-esque visualisation SDK
  * Copyright (C)2003-2021 projectM Team
  *
@@ -87,7 +89,7 @@ PROJECTM_EXPORT char* projectm_alloc_string(unsigned int length);
  *
  * <p>Do not use free() to delete the pointer!</p>
  *
- * @param settings A pointer returned by projectm_alloc_string().
+ * @param str A pointer returned by projectm_alloc_string().
  */
 PROJECTM_EXPORT void projectm_free_string(const char* str);
 
diff --git a/src/libprojectM/TimeKeeper.cpp b/src/libprojectM/TimeKeeper.cpp
index 5594c705d..839401e6c 100644
--- a/src/libprojectM/TimeKeeper.cpp
+++ b/src/libprojectM/TimeKeeper.cpp
@@ -103,7 +103,6 @@ int TimeKeeper::PresetTimeA()
 
 double TimeKeeper::sampledPresetDuration()
 {
-    return std::max<double>(1, std::min<double>(60, RandomNumberGenerators::gaussian
-        (m_presetDuration, m_easterEgg)));
+    return std::max<double>(1, RandomNumberGenerators::gaussian(m_presetDuration, m_easterEgg));
 
 }
diff --git a/src/playlist/playlist.h b/src/playlist/playlist.h
index 975ffa7e4..365c89dbb 100644
--- a/src/playlist/playlist.h
+++ b/src/playlist/playlist.h
@@ -1,3 +1,8 @@
+/**
+ * @file playlist.h
+ *
+ * Optional playlist API for libprojectM.
+ */
 #pragma once
 
 #include "libprojectM/projectM.h"
@@ -93,8 +98,8 @@ typedef void (*projectm_playlist_preset_switch_failed_event)(const char* preset_
  *
  * To switch to another playlist, use the projectm_playlist_connect() method.
  *
- * @param instance The projectM instance to connect to. Can be a null pointer to leave the newly
- *                 created playlist instance unconnected.
+ * @param projectm_instance The projectM instance to connect to. Can be a null pointer to leave the newly
+ *                          created playlist instance unconnected.
  * @return An opaque pointer to the newly created playlist manager instance. Null if creation failed.
  */
 PROJECTM_PLAYLIST_EXPORT projectm_playlist_handle projectm_playlist_create(projectm_handle projectm_instance);