diff --git a/bumblebee/modules/dnf.py b/bumblebee/modules/dnf.py
index 4680141..d3ceebf 100644
--- a/bumblebee/modules/dnf.py
+++ b/bumblebee/modules/dnf.py
@@ -6,7 +6,7 @@ Requires the following executable:
     * dnf
 
 Parameters:
-    * dnf.interval: Time in seconds between two consecutive update checks (defaults to 30 minutes)
+    * dnf.interval: Time in minutes between two consecutive update checks (defaults to 30 minutes)
 
 """
 
diff --git a/bumblebee/modules/shell.py b/bumblebee/modules/shell.py
index b04aae5..726530b 100644
--- a/bumblebee/modules/shell.py
+++ b/bumblebee/modules/shell.py
@@ -15,7 +15,7 @@ Parameters:
                       For example shell.command='echo $(date +"%H:%M:%S")'
                       But NOT shell.command="echo $(date +'%H:%M:%S')"
                       Second one will be evaluated only once at startup
-    * shell.interval: Update interval in minutes
+    * shell.interval: Update interval in seconds
                       (defaults to 1s == every bumblebee-status update)
     * shell.async:    Run update in async mode. Won't run next thread if
                       previous one didn't finished yet. Useful for long