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diff --git a/python.d/README.md b/python.d/README.md
index c4504a7c5..1b04ccdf3 100644
--- a/python.d/README.md
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@@ -186,6 +186,38 @@ If no configuration is given, module will attempt to read named.stats file  at `
 
 ---
 
+# chrony
+
+This module monitors the precision and statistics of a local chronyd server.
+
+It produces:
+
+* frequency
+* last offset
+* RMS offset
+* residual freq
+* root delay
+* root dispersion
+* skew
+* system time
+
+**Requirements:**
+Verify that user netdata can execute `chronyc tracking`. If necessary, update `/etc/chrony.conf`, `cmdallow`.
+
+### Configuration
+
+Sample:
+```yaml
+# data collection frequency:
+update_every: 1
+
+# chrony query command:
+local:
+  command: 'chronyc -n tracking'
+```
+
+---
+
 # cpufreq
 
 This module shows the current CPU frequency as set by the cpufreq kernel