Update src/items/external-blocks.md

Co-Authored-By: Ryan Scheel <Ryan.havvy@gmail.com>

Author: gnzlbg

src/items/external-blocks.md

@@ -52,7 +52,7 @@ extern "abi" for<'l1, ..., 'lm> fn(A1, ..., An) -> R`, where `'l1`, ... `'lm`
 are its lifetime parameters, `A1`, ..., `An` are the declared types of its
 parameters and `R` is the declared return type.
 
-Statics within external blocks are declared in the same way as other Rust statics,
+Statics within external blocks are declared in the same way as statics outside of external blocks,
 with the exception that they may not have an expression initializing their value.
 It is `unsafe` to access a static item declared in an extern block, whether or
 not it's mutable.