diff --git a/core/math/math_funcs.h b/core/math/math_funcs.h
index ea0bfd88cc3..629002ced65 100644
--- a/core/math/math_funcs.h
+++ b/core/math/math_funcs.h
@@ -242,8 +242,8 @@ public:
 	static void randomize();
 	static uint32_t rand_from_seed(uint64_t *seed);
 	static uint32_t rand();
-	static _ALWAYS_INLINE_ double randf() { return (double)rand() / (double)Math::RANDOM_MAX; }
-	static _ALWAYS_INLINE_ float randd() { return (float)rand() / (float)Math::RANDOM_MAX; }
+	static _ALWAYS_INLINE_ double randd() { return (double)rand() / (double)Math::RANDOM_MAX; }
+	static _ALWAYS_INLINE_ float randf() { return (float)rand() / (float)Math::RANDOM_MAX; }
 
 	static double random(double from, double to);
 	static float random(float from, float to);
diff --git a/doc/classes/@GDScript.xml b/doc/classes/@GDScript.xml
index 072eec800ff..b56e5bf8e78 100644
--- a/doc/classes/@GDScript.xml
+++ b/doc/classes/@GDScript.xml
@@ -809,7 +809,7 @@
 			<argument index="1" name="to" type="float">
 			</argument>
 			<description>
-				Random range, any floating point value between [code]from[/code] and [code]to[/code].
+				Random range, any floating point value in the interval [[code]from[/code], [code]to[/code]].
 				[codeblock]
 				prints(rand_range(0, 1), rand_range(0, 1)) # prints 0.135591 0.405263
 				[/codeblock]
@@ -828,7 +828,7 @@
 			<return type="float">
 			</return>
 			<description>
-				Returns a random floating point value between 0 and 1.
+				Returns a random floating point value on the interval [0, 1].
 				[codeblock]
 				randf() # returns 0.375671
 				[/codeblock]
@@ -838,7 +838,7 @@
 			<return type="int">
 			</return>
 			<description>
-				Returns a random 32 bit integer. Use remainder to obtain a random value between 0 and N (where N is smaller than 2^32 -1).
+				Returns a random 32 bit integer. Use remainder to obtain a random value in the interval [0, N] (where N is smaller than 2^32 -1).
 				[codeblock]
 				randi() % 20      # returns random number between 0 and 19
 				randi() % 100     # returns random number between 0 and 99