Fix typo

lkmpg.tex

@@ -1925,7 +1925,7 @@ Simulate a key press on "g" (\cpp|KEY_G| = 34):
 echo "+34" | sudo tee /dev/vinput0
 \end{codebash}
 
-Simulate a key release on "g" (\cpp|KEY_G| = 34:)
+Simulate a key release on "g" (\cpp|KEY_G| = 34):
 
 \begin{codebash}
 echo "-34" | sudo tee /dev/vinput0