diff --git a/cava.c b/cava.c
index 18dfeca..89c02d1 100644
--- a/cava.c
+++ b/cava.c
@@ -317,6 +317,13 @@ Options:\n\
 		gravity = 0;
 	}
 
+	// validate: integral
+	if (integral < 0) {
+		integral = 0;
+	} else if (integral > 1) {
+		integral = 0.99;
+	}
+
 	// read & validate: eq
 	smcount = iniparser_getsecnkeys(ini, "eq");
 	if (smcount > 0) {
diff --git a/example_files/config b/example_files/config
index 0d6e100..16f8d4f 100644
--- a/example_files/config
+++ b/example_files/config
@@ -19,9 +19,9 @@
 ; foreground = cyan
 
 [smoothing]
-; integral = 0.7 # multiplier for the integral smoothing calculations. Higher values means smoother, but less precise. 0 to disable.
+; integral = 0.7 # multiplier for the integral smoothing calculations. Takes values from 0 - 0.99. Higher values means smoother, but less precise. 0 to disable.
 ; monstercat = 1 # disables or enables the so-called "Monstercat smoothing". Default: 1. Set to 0 to disable. 
-; gravity = 1 # Set gravity multiplier for "drop off". Higher values means bars will drop faster.  Accepts only non-negative values. Set to 0 to disable "drop off".
+; gravity = 1 # Set gravity multiplier for "drop off". Higher values means bars will drop faster. Accepts only non-negative values. 0.5 means half gravity, 2 means double. Set to 0 to disable "drop off".
 
 [eq]
 # This one is tricky. You can have as much keys as you want. More keys = more precision. Look at readme.md on github for further explanations and examples.