Clarify what +ve and -ve are, closes #1496

logicals.qmd

@@ -426,7 +426,7 @@ You'll always use the first three argument of `if_else()`. The first argument, `
 [^logicals-4]: dplyr's `if_else()` is very similar to base R's `ifelse()`.
     There are two main advantages of `if_else()`over `ifelse()`: you can choose what should happen to missing values, and `if_else()` is much more likely to give you a meaningful error if your variables have incompatible types.
 
-Let's begin with a simple example of labeling a numeric vector as either "+ve" or "-ve":
+Let's begin with a simple example of labeling a numeric vector as either "+ve" (positive) or "-ve" (negative):
 
 ```{r}
 x <- c(-3:3, NA)