pkg-config: Add Missing description field
diff --git a/src/gpioplus.pc.in b/src/gpioplus.pc.in
index fdd66ca..7df42e8 100644
--- a/src/gpioplus.pc.in
+++ b/src/gpioplus.pc.in
@@ -4,6 +4,7 @@
 includedir=@includedir@
 
 Name: gpioplus
+Description: C++ wrapper around the Linux userspace GPIO API
 Version: @VERSION@
 Requires: @AX_PACKAGE_REQUIRES@
 Requires.private: @AX_PACKAGE_REQUIRES_PRIVATE@