diff --git a/modules/audio_processing/include/audio_processing.cc b/modules/audio_processing/include/audio_processing.cc
index fd741d4d2d..3bc00751cc 100644
--- a/modules/audio_processing/include/audio_processing.cc
+++ b/modules/audio_processing/include/audio_processing.cc
@@ -123,12 +123,12 @@ std::string AudioProcessing::Config::ToString() const {
   char buf[2048];
   rtc::SimpleStringBuilder builder(buf);
   builder << "AudioProcessing::Config{ "
-             "pipeline: {"
+             "pipeline: { "
              "maximum_internal_processing_rate: "
           << pipeline.maximum_internal_processing_rate
           << ", multi_channel_render: " << pipeline.multi_channel_render
           << ", multi_channel_capture: " << pipeline.multi_channel_capture
-          << "}, pre_amplifier: { enabled: " << pre_amplifier.enabled
+          << " }, pre_amplifier: { enabled: " << pre_amplifier.enabled
           << ", fixed_gain_factor: " << pre_amplifier.fixed_gain_factor
           << " }, high_pass_filter: { enabled: " << high_pass_filter.enabled
           << " }, echo_canceller: { enabled: " << echo_canceller.enabled
@@ -151,7 +151,7 @@ std::string AudioProcessing::Config::ToString() const {
           << " }, gain_controller2: { enabled: " << gain_controller2.enabled
           << ", fixed_digital: { gain_db: "
           << gain_controller2.fixed_digital.gain_db
-          << "}, adaptive_digital: { enabled: "
+          << " }, adaptive_digital: { enabled: "
           << gain_controller2.adaptive_digital.enabled
           << ", level_estimator: { vad_probability_attack: "
           << gain_controller2.adaptive_digital.vad_probability_attack
@@ -165,17 +165,17 @@ std::string AudioProcessing::Config::ToString() const {
           << gain_controller2.adaptive_digital.initial_saturation_margin_db
           << ", extra_saturation_margin_db: "
           << gain_controller2.adaptive_digital.extra_saturation_margin_db
-          << "}, gain_applier: { adjacent_speech_frames_threshold: "
+          << " }, gain_applier: { adjacent_speech_frames_threshold: "
           << gain_controller2.adaptive_digital
                  .gain_applier_adjacent_speech_frames_threshold
           << ", max_gain_change_db_per_second: "
           << gain_controller2.adaptive_digital.max_gain_change_db_per_second
           << ", max_output_noise_level_dbfs: "
           << gain_controller2.adaptive_digital.max_output_noise_level_dbfs
-          << " } }, residual_echo_detector: { enabled: "
+          << " }}}, residual_echo_detector: { enabled: "
           << residual_echo_detector.enabled
           << " }, level_estimation: { enabled: " << level_estimation.enabled
-          << " }}}";
+          << " }}";
   return builder.str();
 }