diff --git a/doc/fcweight.fncs b/doc/fcweight.fncs
index 4884b2747da50feca3164699945602da65ac8939..5bb94291a1b4c60aee1cc36139c5952845a00e49 100644
--- a/doc/fcweight.fncs
+++ b/doc/fcweight.fncs
@@ -28,7 +28,7 @@
to use with FC_WEIGHT, from an double in the 1..1000 range, resembling
the numbers from OpenType specification's OS/2 usWeight numbers, which
are also similar to CSS font-weight numbers. If input is negative,
-zero, or greater than 1000, returns -1. This function linearly doubleerpolates
+zero, or greater than 1000, returns -1. This function linearly interpolates
between various FC_WEIGHT_* constants. As such, the returned value does not
necessarily match any of the predefined constants.
@SINCE@ 2.12.92