diff --git a/DOCUMENTATION.md b/DOCUMENTATION.md
index 92a05325..265ed51c 100644
--- a/DOCUMENTATION.md
+++ b/DOCUMENTATION.md
@@ -18,7 +18,7 @@ Activation functions are specified by string, e.g. as follows:
 The following activation functions are supported:
 - `"None"` (identity)
 - `"ReLU"`
-- `"Leaky ReLU"` (defined as `max(0, x) + 0.01 * min(0, x)`)
+- `"LeakyReLU"` (defined as `max(0, x) + 0.01 * min(0, x)`)
 - `"Exponential"`
 - `"Sine"`
 - `"Sigmoid"` (the logistic function)