diff --git a/docs/change-log.md b/docs/change-log.md
index 9a707c0e..d922b7ae 100644
--- a/docs/change-log.md
+++ b/docs/change-log.md
@@ -1,5 +1,6 @@
 # Change Log
-
+## v0.2.3
+- Fix participant IDS in the example analysis workflow
 ## v0.2.2
 - Fix readme link to docs
 ## v0.2.1
diff --git a/rules/preprocessing.smk b/rules/preprocessing.smk
index 15713020..8f754885 100644
--- a/rules/preprocessing.smk
+++ b/rules/preprocessing.smk
@@ -13,7 +13,7 @@ rule create_example_participant_files:
     output:
         expand("data/external/participant_files/{pid}.yaml", pid = ["example01", "example02"])
     shell:
-        "echo 'PHONE:\n  DEVICE_IDS: [a748ee1a-1d0b-4ae9-9074-279a2b6ba524]\n  PLATFORMS: [android]\n  LABEL: test01\n  START_DATE: 2020-04-23\n  END_DATE: 2020-05-04\nFITBIT:\n  DEVICE_IDS: [a748ee1a-1d0b-4ae9-9074-279a2b6ba524]\n  LABEL: test01\n  START_DATE: 2020-04-23\n  END_DATE: 2020-05-04\n' >> ./data/external/participant_files/example01.yaml && echo 'PHONE:\n  DEVICE_IDS: [13dbc8a3-dae3-4834-823a-4bc96a7d459d]\n  PLATFORMS: [ios]\n  LABEL: test02\n  START_DATE: 2020-04-23\n  END_DATE: 2020-05-04\nFITBIT:\n  DEVICE_IDS: [13dbc8a3-dae3-4834-823a-4bc96a7d459d]\n  LABEL: test02\n  START_DATE: 2020-04-23\n  END_DATE: 2020-05-04\n' >> ./data/external/participant_files/example02.yaml"
+        "echo 'PHONE:\n  DEVICE_IDS: [a748ee1a-1d0b-4ae9-9074-279a2b6ba524]\n  PLATFORMS: [android]\n  LABEL: test-01\n  START_DATE: 2020-04-23\n  END_DATE: 2020-05-04\nFITBIT:\n  DEVICE_IDS: [a748ee1a-1d0b-4ae9-9074-279a2b6ba524]\n  LABEL: test-01\n  START_DATE: 2020-04-23\n  END_DATE: 2020-05-04\n' >> ./data/external/participant_files/example01.yaml && echo 'PHONE:\n  DEVICE_IDS: [13dbc8a3-dae3-4834-823a-4bc96a7d459d]\n  PLATFORMS: [ios]\n  LABEL: test-02\n  START_DATE: 2020-04-23\n  END_DATE: 2020-05-04\nFITBIT:\n  DEVICE_IDS: [13dbc8a3-dae3-4834-823a-4bc96a7d459d]\n  LABEL: test-02\n  START_DATE: 2020-04-23\n  END_DATE: 2020-05-04\n' >> ./data/external/participant_files/example02.yaml"
 
 rule create_participants_files:
     input: